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If y is directly proportional to x and Y = 40 when x=4 what is the value of x when y =23
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If y is directly proportional to x and Y = 40 when x=4 what is the value of x when y =23

User Qkyrie
by
5.9k points

1 Answer

5 votes

Answer:

2.3

Explanation:

Since y is directly proportional to x,

y = kx.

=> 40=k X 4

=> k=10

So y=10x

If we put y=23 in the above equation,

x=2.3

or

40:4 = 23:x

=>x=2.3

User Linkgoron
by
4.4k points
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