You do the sum(40) subtracted by 8, the answer from that divided by 2 since Erin's two times younger.
40-8=32
32÷2=16
Then if you want to check it you do the opposite and get the same sum(40) so 16×2=32 and 32+8=40
Answer:
It's better to buy the bulk pack
Step-by-step explanation:
60 x 1.65 = $99
99 > 76
The answer is 7/10
the 7 is in the tenth place making the denominator a 10 and no same number goes into both 7 and 10.