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Readme [11.4K]
3 years ago
13

Y and x have a proportional relationship and y =5 when x = 4 what is the value of x when y =8

Mathematics
2 answers:
mart [117]3 years ago
8 0
Y = kx
k = y / x = 5/4 = 1.25
so
<span>y =8 then
8 = 1.25 x
x = 8/ 1.25  = 6.4

answer
x = 6.4 when y = 8</span>
Marizza181 [45]3 years ago
6 0
Y/x = 5/48/x = 5/45x = 32<span>x = 6.4

Sorry if this doesnt help</span>
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