Answer:
Step-by-step explanation:
2g=7h-3f
g=
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

➭Doing it all using mental math
<h2 /><h2>
<u>Step 1:</u></h2>

<h2>
<u>Step 2:</u></h2>
<u>
</u>
Answer:
0.375
Step-by-step explanation: