10 is to y as 3 is to 5?

Question

I'm sure this is very easy but i completely drew a blank when I took a test(College) and it is driving me nuts. Im 34, not a high school student and havent done this stuff for years.

Answer 1

10:y = 3:5

3y  = 50 so y  = 50/3

It is a simple ratio and proportion problem.

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Answer 2

10:y=3:5

10/y=3/5

y=50/3

Answer 3

10/y=3/5

:-50=3y

y=50/3=16.666

Answer 4

10 is to y mean 10/y  3is to 5 mean 3/5    10/y=3/5  y=50/3                              

Answer 5

10/y = 3/5

10x5=3xy

y=50/3

Answer 6

Use the pythagorean theorem... i have the link below.

Answer 7

ASK YOUR TEACHERS!!!!!!!! NOT YAHOO USERS

Answer 8

10:y=3:5

10*5=3*y

50=3y

50/3=y

Answer 9

Think of it this way: 10 is to y means 10/y and 3 is to 5 means 3/5. Set up a proportion like this; 10/y=3/5

Cross multiply to get: 3y=50 (3*y is 3y and 10*5 is 50)

Divide both sides to get y by itself and you get;

y=50/3<=== answer

Answer 10

The formula for the problem is

10/y = 3/5

To solve these problems you cross multiply, the numerator of one side is multiplied by the denominator of the other

10*5 = 3*y

50 = 3y

Divide both sides by 3 to get

50/3 = y

Answer 11

Think of it this way, 10/y=3/5

the answer is 10*5/3 so it's 50/3

Answer 12

10/y=3/5

10*5=3*y

50=3y

y=50/3

Answer 13

its very simple

ita called proportion

in a proposition product of means=product of extremes

so

y*3=10*5

=>y=50/3.

Answer 14

10:y = 3:5

10/y = 3/5

Cross-multipling

We get,

50 = 3y

50/3 = y

y = 16.66666

or y = 16.67(approx.)