Answer:

Step-by-step explanation:
Given:
Make the power of '10' equal by shifting the decimal place of any one value.

Taking the '
' common

Adding the values in the bracket gives:

(amount paid-10.99)/3 = hours spent listening
Answer:
He can buy 7 packs or 5 packs it depends on how each costs seperately.
Step-by-step explanation:
If each pack costs 5 dollars then he can buy 7.
If each pack costs 7 dollars then he can buy 5.
5 and 15 is one option. But you could pick any number over 5 and multiply it by 3, and use those numbers together
Answer:
11 Grandchildren
Step-by-step explanation:
1 kid= 3 kids.
3*3=9
Then add 2.
9+2=11
Hope this helps.