Grandpa Schmidt is 75 years old This is 9 years less than seven times the age of Junior Schmidt. How old is Junior?

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Answer 1 · 2016-10-19T02:22:17

Age of Junior Schmidt is #=12#

Age of Grandpa Schmidt#=75#

Let Age of Junior Schmidt be #=x#

Then 7 times #x# and less 9 is grandpa's age, it is -
#=7x-9#

Then we form an equation -

#7x-9=75#

Solve it for #x#

#7x=75+9=84#

#x=84/7=12#

Age of Junior Schmidt is #=12#