Question #06e30

1 Answer
smendyka
Dec 8, 2016

The mark up was $10.

Explanation:

This question can be rewritten as:

What is 25% of $40.

"Percent" or "%" means "out of 100" or "per 100", Therefore 25% can be written as #25/100#
.
When dealing with percents the word "of" means "times" or "to multiply".

Finally, lets call the number we are looking for "m" for "mark-up".

Putting this altogether we can write this equation and solve for #m# while keeping the equation balanced:

#m = 25/100 xx $40#

#m = 1/4 xx $40#

#m = $10#

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