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Ganezh [65]
3 years ago
15

Assume y varies directly as x. if y=8 when x=42; find y when x=126

Mathematics
1 answer:
Soloha48 [4]3 years ago
6 0
Varies directly basically means a multiple of

y = kx

where "k" is the constant of variation. You must solve for this first using the given information.

8 = 42k
8/42 = k
0.19= k

Equation: y = 0.19x
when x = 126
y = 0.19(126)
y = 24


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