a computer screen measures 1.25 feet by 1.5 feet. Boyd estimates that the area is 2 square feet. His estimate is what percent greater than the actual area.

Question

igreen · Answer

Find the area by multiplying.

1.25 * 1.5 = ?

anonymous · Answer

I know that gets me 1.875 and that I have to subtract that number from 2
but then what?

igreen · Answer

Sorry, divide it by 1.875.

$\sf \dfrac{0.125}{1.875}$

anonymous · Answer

why do I have to divide that answer
 by 1.875?

igreen · Answer

Because that gives us the percentage.

anonymous · Answer

oh!! thank you!

igreen · Answer

Be sure to multiply by 100 after you get the decimal to convert it to a percentage.