Ask Question
11 January, 14:24

If y varies directly as x and y equals 20 when x=5 then what is y when x is 8

+3
Answers (1)
  1. 11 January, 14:38
    0
    y = 32

    Step-by-step explanation:

    If y varies directly as x

    y = kx

    y equals 20 when x=5

    20 = k (5)

    We can solve for k

    Divide each side by 5

    20/5 = 5k/5

    4 = k

    y = ? when x is 8

    y = 4x

    y = 4 (8)

    y = 32
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “If y varies directly as x and y equals 20 when x=5 then what is y when x is 8 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers