SOLUTION: solve 7/y = 5/8

Question 117431:
solve
7/y = 5/8
Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
Given:
.

.
One way to solve proportions such as this is to "cross-multiply". Multiply the numerator on
one side by the denominator on the other side. Do it for both numerators and put the equal sign
between the two products.
.
In this case, multiply the numerator on the left side by the denominator on the right side
of the equal sign. This is 7 times 8 and the result is 56.
.
Then multiply the numerator on the right side by the denominator on the left side. In this problem
that means multiplying 5 times y to get 5y
.
So the two products are 5y and 56. Put the equal sign between them and you have:
.
5y = 56
.
Solve for y by dividing both sides by 5 to get:
.

.
and that's the answer.
.
Hope this helps to give you an understandable approach to solving proportions.
.
RELATED QUESTIONS
Solve:... (answered by stebko)

solve. 7/y=8/y-1/5 please... (answered by stanbon)

solve each equation?... (answered by Fombitz)

solve the eqation... (answered by richwmiller,checkley79)

Solve 18 (y - 3) - 13 (2 y + 5) > 7 y + 8 (answered by jim_thompson5910)

31-8(y+5)=7 (answered by checkley77)

Solve (-2/7)... (answered by CubeyThePenguin)

Solve: 7/y = 8/y -... (answered by robertb)

Could you help solve: 8/x-5/y=51/14... (answered by jim_thompson5910)