Question 1203623
jack is 7 years older than mia. the sum of there ages is 53.how old is jack.

Let mia's age be x years

Jack is 7 years older
so his age will be x+7 years

 sum of there ages is 53

x+(x+7)=53

2x+7 =53

2x=53-7

2x = 46
x=23 

mia is 23 years old

 so Jack is 23+7  = 30 years old