SOLUTION: The ratio of chocolate to vanilla cupcakes is 5 to 4. If there are 45 cupcakes, how many of them are vanilla?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The ratio of chocolate to vanilla cupcakes is 5 to 4. If there are 45 cupcakes, how many of them are vanilla?      Log On


   

Question 282512: The ratio of chocolate to vanilla cupcakes is 5 to 4. If there are 45 cupcakes, how many of them are vanilla?
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
The ratio of 5:4 means that 4/9 are vanilla.
Given there are 45 in total...
.
4/9 = x/45
180 = 9x
20 = x
x=20
.
There are 20 vanilla.