Question

If y varies directly as x,and y =3 when x=2,Find y when x=12.

Can someone pls help me with this question and make it detailed pls.thanks.

Answer 1

Answer:

y = 18

Step-by-step explanation:

Since 12 is 6 times greater than 2, we multiply 6 to 3 also to get 18 for y and 12 for x. So our new ratio is 18:12. This mean our answer is y = 18!

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Answer 2

Answer:

18

Explanation:

2 : 3 = 12 : Y

Then we know

3 / 2 = Y / 12

Multiplying both sides by 12 cancels on the right

12 × (3 / 2) = (Y / 12) × 12

12 × (3 / 2) = Y

Then solving for Y

Y = 12 × (3 / 2)

Y = 18

Therefore

2 : 3 = 12 : 18