Question

When the discount period started, the price of a chair changed from $220 to $154 . By what percent did the price of the chair decrease?

Answer 1

154×100÷220= %

put it in a domino form:

number percentage
# %
154 ?
220 100

the two numbers that are across from each other you multiply and then divide by the third number. Just wanted to make it more easy for you. Plug in the formula above into a calculator and bam!