poohy101 poohy101

09-06-2018
Mathematics

contestada

Sarah is twice as old as her youngest brother. If the difference between their ages is a 15 years, how old is her youngest brother?

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bobthecow bobthecow

09-06-2018

2x=sarah
x=brother's age
15=difference
2x-x=15
x=15
borther is 15 years old

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