选择题

2024 AMC 8 Problem 12: Guppies in Tanks

Rohan keeps 90 guppies in 4 fish tanks.
• There is 1 more guppy in the 2nd tank than in the 1st tank.
• There are 2 more guppies in the 3rd tank than in the 2nd tank.
• There are 3 more guppies in the 4th tank than in the 3rd tank.
How many guppies are in the 4th tank?

2024 AMC 8 第 12 题:坦克中的孔雀鱼

Rohan 在 4 个鱼缸里养了 90 只孔雀鱼。
• 第二个水箱中的孔雀鱼比第一个水箱中多 1 条。
• 第三个水箱中的孔雀鱼数量比第二个水箱中多2 只。
• 第4题 个水箱中的孔雀鱼数量比第3题 个水箱中多3 只。
第4题缸有多少只孔雀鱼

A.
20
B.
21
C.
23
D.
24
E.
26