Zane, a sign maker for a store, makes a sign advertising wooden toy chests for sale at a price of $132 each. However, the wooden toy chests only cost the store $88 each. What percentage is the mark-up?

step-by-step explanation:

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870

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