Quincy1406 Quincy1406

18-12-2018
Mathematics

contestada

The variables y and x have a proportional relationship and y=7 when x=2 what is the value of x when y=21

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helloejik helloejik

18-12-2018

Answer:

x=6

Step-by-step explanation:

Since y=7 when x=2, we can from here simplify and see that y=3.5 when x=1. If y=21, then we multiply 7 by 3 which is 21, and since we must keep a proportion, we must multiply 2 by 3 and get 6 as the answer.

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