The answer is -9 because you have to multiply the two numbers.
Most teachers say that they do it to make sure the kids dont't forget what ws tought that day or to review
The answer is C because it equals 9
Answer:
n = 12 nickels
d = 11 dimes
q = 7 quarters
Step-by-step explanation:
.05n + .1d + .25q = 3.45
n + d + q = 30
n = q + 5
n = 12
d = 11
q = 7