SOLUTION: There were 21 boys at the birthday party. If the ratio of boys to total partygoers was 7:15, how many girls were there?
Algebra ->
Proportions
-> Lessons
-> SOLUTION: There were 21 boys at the birthday party. If the ratio of boys to total partygoers was 7:15, how many girls were there?
Log On
Question 955467: There were 21 boys at the birthday party. If the ratio of boys to total partygoers was 7:15, how many girls were there? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! There were 21 boys at the birthday party. If the ratio of boys to total partygoers was 7:15, how many girls were there?
----
b = 21
# of girls = 8x
----
# of boys;: 7x = 21
x = 3
----
# of girls = 8*3 = 24
--------------
Cheers,
Stan H.
--------------
(