OmarFaroq8763 OmarFaroq8763
  • 22-05-2017
  • Mathematics
contestada

Maggie's brother is 5 years younger than four times her age. The sum of their ages is 60. How old is Maggie?

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crisforp
crisforp crisforp
  • 22-05-2017
b = 4m - 5 and m + b = 60, where m is Maggie's age and b is her brother's age;
Then, m + 4m - 5 = 60;
5m = 65;
m = 65 ÷ 5;
m = 13 years;
b = 60 - 13;
b = 47 years;
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