rypaaige2035 rypaaige2035

11-01-2019
Mathematics

contestada

Robert is 10 years older than her brother. In 2 years, Robert will be three times as old as his brother. How old are they now?

Respuesta :

emi0260225 emi0260225

15-01-2019

Robert is 13 and his brother is 3 y.o.
X... brother’s age
X+10... Robert’s age
X+10+2... Robert’s age in 2 years
X+2...Brother’s age in 2 years
X+10+2/x+2=3
X=3
X+10=13

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