You are correct. It is -18
It would be the last answer, you can't simplify
Two real solutions mark as brainliest plz
Let x = number of problems on test
If he got 14 wrong, then x - 14 is the number correct.

x - 14 = .72x
.28x - 14 = 0
.28x = 14
x = 50
The test consisted of 50 problems.
.5 of the pizza evenly because 1.25 divided by 5 is .5