Question

Emily is buying new cold-weather gear for her family. She pays $100 for 5 pairs of waterproof gloves that each cost the same amount. Four of the pairs of gloves are mittens. Which expression represents the total cost of the 4 pairs of mittens?​

Answer 1

5x=100
X=20
4x=80
This should be the expression

Answer 2

5÷100=x

x=20

100-20=80

80= the total cost of the 4 pairs of mittens