How many ten are in the cash register

Assignment Help Mathematics
Reference no: EM13196251

A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount of money in the cash register is 640 dollars. How many ten's are in the cash register?

Reference no: EM13196251

Questions Cloud

Find the amount invested at each rate : two investments were made totaling #15000. for a certain year these investments yielded $1326 in simple intrest. part of the $8800 was invented at 14 and part at 16% find the amount invested at each rate.
What is the length of the pool : ctangular swimming pool is 316 feet. If the width of the pool is 82 feet, what is the length of the pool?
Compute h in kj per mol fecl3 for the solution process : water in a coffee-cup calorimeter (see above figure) the temperature rises from 24.00 oC to 40.03 oC. Calculate H in kJ/mol FeCl3 for the solution process.FeCl3(s) Fe3+(aq) + 3 Cl-(aq)
How many ways are possible : How many ways are possible?
How many ten are in the cash register : A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount of money in the cash register is 640 dollars. How many ten's are in the cash register?
The marginal product between two types of workers : If technology advances so that computers become more useful to the firm.what happens to the marginal product of the two types of workers.
State white phosphorous melts and then vaporizes : The gas effuses at a rate that is 0.404 times that of neon in the same apparatus under the same conditions. How many atoms are in a molecule of gaseous white phosphorus?
What is the speed of the current : a motorboat travels 332 in 4 hoursgoing upstream 555 and in 5 hours going downstream. What is the speed of the boat in still water, and what is the speed of the current?
Define why the pka of benzoic acid is significantly lower : Explain why the pKa of benzoic acid (pKa = 4.2) is significantly lower than the pKa of propanoic acid (pKa = 4.9). Select the single best answer.

Reviews

Write a Review

Mathematics Questions & Answers

  Calculate the first and second derivatives

For the function: f(x)=(x^2/4)+e^(-x^2), sketch a graph of the function. Calculate the first and second derivatives, and use these answers to approximate the locations of the local maximum, minima, and the inflection points.

  What is the probability that a freshman selected at random

What is the probability that a freshman selected at random from this group is enrolled in an economics and/or a mathematics course.

  What is the probability that a randomly chosen employee

What is the probability that a randomly chosen employee is a manager and will gain promotion next year?

  What is area of one triangular face of the lateral surface

The surface area of this pyramid is 189 cm The area of the square base is 49 cm sq . What is the area of one triangular face of the lateral surface? Show the steps of your solution and explain your work.

  Find the largest possible volume of the box

If 8.5 by 11 paper is available to make a box with a square base and an open top, find the largest possible volume of the box.

  Determine the elevation angle

Stephanie claims that your model is fundamentally flawed, extend and refine your model to make it more realistic and clearly state any assumptions you used to create your model.

  Find probability that a randomly selected junior

Probability that a randomly selected junior prefers meat toppings. Find the indicated probability. The table shows the number of college students who prefer a given pizza topping.

  What is the pattern among this set of ordered pairs

What is the pattern among this set of ordered pairs? (0, 4), (1, 0), (2, -4), (3, -8)

  What is the z-score for a value

Assuming that the data are normally distributed with a mean of 45 and a standard deviation of 3.25, what is the z-score for a value of 40?

  Calculate the p-value and interpret the result

Could the statement in the brochure be substantiated on the basis of these findings? Test with .05 significance level. Also calculate the P-value and interpret the result.

  What percentage of the principal will be paid off

If you take out a 20-year mortgage at 6.4% interest compounded monthly, what percentage of the principal will be paid off after 10 years? (Round your answer to two decimal places.)

  Find the dimensions of the rectangle

The length of a rectangle is 8 cm greater than its width. Find the dimensions of the rectangle if its area is 105 cm2.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd