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LUCKY_DIMON [66]
3 years ago
8

Given that y is inversely proportional to x, and y = 5 when x = 7, find the value of x when y = 70

Mathematics
2 answers:
Montano1993 [528]3 years ago
5 0
X:y=7:5
7/5=x/70     (multiply both sides by 5)
7=5x/70     (multiply both sides by 70)
490=5x     (divide both sides by 5)
98=x
frozen [14]3 years ago
3 0
5/7 = 70/X

5X= 490

X=98
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