Question

Noah has a mask collection of 40 masks. He keeps some in a display case and the rest on the wall. He keeps 15% of his masks in the display case. How many masks does he keep on his wall?

Answer 1

1) convert percentage to decimal

$=15/100\\\\=0.15$

2) determine # of masks on the display case

$=40$ × $0.15$

$=6$

3) subtract from total # of masks

$=40-6\\\\=34$

He keeps 34 masks on the wall.

Answer 2

Answer:

34

Step-by-step explanation:

because yes.