2021 AMC 10 A Fall

Complete problem set with solutions and individual problem pages

Problem 2 Easy

Menkara has a 4 \times 6 index card. If she shortens the length of one side of this card by 1 inch, the card would have area 18 square inches. What would the area of the card be in square inches if instead she shortens the length of the other side by 1 inch? (2021 AMC Fall 10A, Question #2)

  • A.

    16

  • B.

    17

  • C.

    18

  • D.

    19

  • E.

    20

Answer:E