15 because it’s 3 times the actual amount
Answer:
10.5 is really 10.50 the . 5 is half the whole one unit, like 50 cents is half a dollar
Answer:

Step-by-step explanation:
times in the y+9 and y+7 and get y squared + 16x+ 63+80.
Answer:
1. one quarter and one nickel
2. two dimes and two nickels
3. one dime, two nickels, and ten pennies
Step-by-step explanation:
(Assuming you mean U.S.A. money)
30% of a dollar equals 30 cents. Each of the above equals 30 cents.
Answer:
the value of t and s is 12 and 23