Question

Andrew must spend less than $72 on meals during the weekend. He has already spent $27 on meals, with each meal costing $9 on average.
9x + 27 < 72

How many additional meals can Andrew buy this weekend?
A.
x < 9
B.
x < 45
C.
x < 27
D.
x < 5

Answer 1

The answer is D. x < 5.
9x+27 <72
9x <72-27
9x <45
x <45÷9
x <5