You would do 172 -8 and keep the i when you cancel the numbers out
Answer:
$7.50
Step-by-step explanation:
Hourly Pay * 5 = 37.5
Rearrange to find the hourly pay
Hourly pay = 37.5 / 5 = 7.5
8.45% = 0.0845
0.0845(25) = 2.1...ur answer is 25
Q + n = 40....q = 40 - n
0.25q + 0.05n = 5
0.25(40 - n) + 0.05n = 5
10 - 0.25n + 0.05n = 5
-0.25n + 0.05n = 5 - 10
- 0.20n = -5
n = -5 / -0.20
n = 25 <=== 25 nickels
q + n = 40
q + 25 = 40
q = 40 - 25
q = 15 <== 15 quarters