Problem
Q1: A \( 210 \$ \) dress goes on \( 70 \% \) sale. How much money is saved? a) \( 10 \$ \) b) \( 30 \$ \) c) \( 78 \$ \) e) None of the above
Solution
Step 1 ：Calculate the sale amount: (210)(0.7) = 147 \$
Step 2 ：Subtract the sale amount from the original price: 210 - 147 = 63 \$
