musclebound10 musclebound10

21-01-2021
Mathematics

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The variables Y and X have a proportional relationship andY equals 15 when x=3. What is the value of X when Y =4?

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icerina006 icerina006

21-01-2021

Answer:

4/5 or 0.8

Step-by-step explanation:

y and x is directly proportional so when one increases the other also increases

the scale factor is 15/3 equals 5

so y is 4, x times 5 equals 4, which we rearrange to give 4/5 or 0.8

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