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2025 AMC 10B Problem 19

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2025 AMC 10B Problem 19AMC 10 Step by Step

Name: Date: September 13, 2026

Solid Geometry · difficulty 4 of 5 · about 6 min · position P16-20

A container has a $1\times 1$ square bottom, a $3\times 3$ open square top, and four congruent trapezoidal sides, as shown. Starting when the container is empty, a hose that runs water at a constant rate takes $35$ minutes to fill the container up to the midline of the trapezoids.

How many more minutes will it take to fill the remainder of the container?

A)
$70$
B)
$85$
C)
$90$
D)
$95$
E)
$105$

2025 AMC 10B Problem 19

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