Answer:
148
Step-by-step explanation:
Average = sum of numbers /total numbers
let x = 5th number
123.2 = (118+ 128 + 124,+ 98 + x) / 5
123.2 = (468 + x) / 5
Multiply both sides by 5
616 = 468 + x
x = 148
Answer: -18
Step-by-step explanation:
She bought 3 pots of paint so
3×5
4 brushes so
4×3
and 3 pastel crayons so
3×13
Then add them all together to get your answer
It doesn't ask you to solve just describe how you'd solve
So your answer is C
100 percent. Hope it helps!