Mathematics
horell965
2020-04-20 22:01:30
y is INVERSELY proportional to x. When x = 3, y = 60. What is y when x = 4? Quick answer please!
ANSWERS
enzi
2020-04-20 22:08:40

ANSWER:y=80 3/4=60/x (Cross multiplication) 3y=240 3y/3=240/3 y=80

raultorres
2020-04-20 22:09:55

y = (k/x) is the inverse proportion equation. Substitute the x and y values that you know to solve for the k, constant of variation. 60 = (k/3) Solving you get k = 180 y = (180/4) y = 45

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