Ask Question
6 June, 09:56

Solve the following proportion. 15/21=5/x

A. 3

B. 105

C. 7

D. not given

+3
Answers (2)
  1. 6 June, 10:48
    0
    15/21 = 5/x

    15 * x = 21 * 5

    15x = 105

    x = 7
  2. 6 June, 11:55
    0
    If you would like to solve the following proportion 15 / 21 = 5 / x, you can do this as follows:

    15 / 21 = 5 / x / * x

    15 / 21 * x = 5 / * 21

    15 * x = 5 * 21 / 15

    x = 5 * 21 / 15

    x = 7

    The correct result would be C. 7.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Solve the following proportion. 15/21=5/x A. 3 B. 105 C. 7 D. not given ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers