2021 FALL AMC12A 真题
2021-11-05 AMC 2021 FALL AMC12A AMC PDF 686.27KB
2021Fall AMC12A
Problem 1
Problem 2
Menkara has a index card. If she shortens the length of one side of this card by inch, the card would have area square inches. What would the area of the card be in square inches if instead she shortens the length of the other side by inch?
(A) 16 (B) 17 (C) 18 (D) 19 (E) 20
