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ivanzaharov [21]
3 years ago
6

The value of y is directly proportional to the value of x.If y=35 when x=140, what is the value of y when x=70

Mathematics
1 answer:
Elodia [21]3 years ago
3 0
Y varies x
Invite the constant
y = kx
Kx/x = y/x
K = y/x
Slot in the values
K = 35/140
= 1/4 or 0.25

What is the value of y when x=70
y=kx
y = 35/140 x 70/1
y = 35/2
y = 17 1/2 or 17.5
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