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the ratio of of barbie's to rob's is 3:2 respectively. If bob is 12 years of age how old is barbie?

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I need it to figurato the question because its really hard.

word-problem

asked Mar 11, 2014 in BASIC MATH by skylar Apprentice

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1 Answer

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The ratio of age of barbie to rob is 3 : 2

The age of rob is 12 years old.

Assume that the barbie age = 3 x

Assume that the rob age = 2 x

So 2 x = 12

x = 6.

The age of barbie = 3x = 3 * 6 = 18 years old.

The age of barbie = 18 years old.

answered Apr 3, 2014 by friend Mentor

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