Question

Grandpa Schmidt is 75 years old this is nine years less than seven times the age of Junior submit how old is Junior

Answer 1

Let the age of Junior be x,

age of grandpa schmidt = 7x + 9
7x + 9 = 75
7x = 66
x = 66/7
= 9.43 (to three significant figures)

Junior is 9.43 years old.