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8 March, 17:27

Cassie is designing a wheelchair ramp for a school. her original design had a height of 3 feet and a base of 24 feet. Her new design must have a height of 3 feet and height-to-base ratio of 1:12.

How long will the base ramp be in the new design?

A 6 feet

B 12 feet

C 30 feet

D 36 feet

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  1. 8 March, 17:29
    0
    D. 36 feet

    Step-by-step explanation:

    if Cassie's new ratio is 1:12 height-to-base, and her height is 3, plug that information into the ratio.

    1:12 = 3:b

    to go from 1 to 3, you multiply 1 by 3, so you will need to multiply 12 by 3 to get the new base.

    3x12 = 36

    D. 36 feet
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