A cell phone retailer used a mark-up rate of 60% on a cellphone case that originally cost $5. To find the new price of the case
1 answer:
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For this case we have:
way 1:
Common factor 3 in the expression:
Way 2:
Write the number 12 as the sum of 4 times 3:
Then, for associative property:
way 1:
Common factor 3 in the expression:
Way 2:
Write the number 12 as the sum of 4 times 3:
Then, for associative property: