Question

Mr. Malkemus replace 75% of the wooden boards on his deck if he replaced 63 wooden boards how many boards does his deck have in total

Answer 1

he had 84 wooden boards

Explanation:

`(63)/(75)`
`(x)/(100)` = 6300÷ 75=84

Answer 2

84

Explanation:

Make a proportion

We know that 63 divide by a number has to equal 75%

63/x=75/100

Cross multiply

75x=6300

Divide by 75 on both sides

x=84

So , his deck has 84 wooden boards

Hope this helps! :)