Solve the following. Show your solution.
The number of pages (p) that Ethan reads varies directly as the number of hours (t) he is reading.
Write the variation equation
If he can read 21 pages in 14 minutes, how many pages can he read in 21 minutes?
Answers
Ethan can read 31.5 pages in 21 minutes
Step-by-step explanation:
If the number of pages read by Ethan is p and the time is t then
p ∝ t
or p = kt where k is a constant
Given that Ethan reads 21 pages in 14 minutes
Thus,
21 = 14k
or, k = 21/14
or, k = 3/2 = 1.5
Therefore, the equation becomes
p = 1.5t
Therefore, the number of pages read in 21 minutes
p = 1.5 × 21
or, p = 31.5
Therefore, Ethan can read 31.5 pages in 21 minutes
Hope this answer is helpful.
Know More:
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