Question

If x varies directly with 3y + 5 andy
3 when x= 10, then what is the value of y when x= 36?​

Answer 1

Answer:

@Using this as the varying sign.

GIVEN,

x @ 3y+5

=> x = k. (3y+5)

=> Putting values y=3,x=10

=> 10= k. (3.3+5)

=> 10= k. (9+5)

=> k = 10/14

=> k = 5/7

Now,

Again,

x @ y

=> x=k.(3y+5)

=> putting the values y=36, k= 5/7

=> x = 5/7 ×( 3.36+5)

=> x = 5/7 × 113

=> x= 565/7

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Answer 2

Answer:

5/7 is the correct answer