Respuesta :
Answer:
84
Step-by-step 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! :)
Answer:
he had 84 wooden boards
Step-by-step explanation:
[tex]\frac{63}{75}[/tex] [tex]\frac{x}{100}[/tex] = 6300÷ 75=84