How many cousins does robert have- miscellaneous math, Mathematics

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Bonnie has twice as many cousins as Robert. George has 5 cousins, which is 11 less than Bonnie has. How many cousins does Robert have?

Work backwards to find the solution. George has 5 cousins, that is 11 less than Bonnie has; thus, Bonnie has 16 cousins. Bonnie has twice as several as Robert has, so half of 16 is 8. Robert has 8 cousins.

 


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