Sarah and her brother are 6 years apart. Right now, the ratio of their ages is 3:4. How old are both of them right now?
1 answer:
<h3>
Answer:</h3>
Sarah: 18
Brother: 24
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Step-by-step explanation:</h3>
The difference in ratio units is 4-3 =1. The difference in years is 6, so 1 ratio unit stands for 6 years.
Multiplying by 6, we have ...
... Sarah : Brother = 3·6 : 4·6 = 18 : 24
Sarah is 18; her brother is 24.
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