Answer:
I believe the answer is b
Step-by-step explanation:
I might be wrong
Let Jeremy's age be x
if Jeremy's grandfather is four times as old as he is,grandfather's age is 4x
if the sum of their ages is 90, we have
x%2B4x=90
5x=90
x=90%2F5
x=18->Jeremy's age
Jeremy's grandfather will be 4x=4%2A18=72
answer:
D. 72
Answer:
Step-by-step explanation:
h = 12 cm, r = 4 cm
