if 3y + 5 = 47
then
y=14
7 Quarters
20 nickels
13 dimes
Answer:
.
Step-by-step explanation:
$ 7.37
linear increase means increased the same amount every year
increment: (6.21 - 5.39) / 4 = 0.215 =$0.22
1n 2009: 0.22 * 9 + 5.39 = 7.37