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.Com
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.
--------------
RELATED QUESTIONS
There were 100 children at the birthday party. If 2/3 of them were girls, how many are... (answered by ikleyn)
There were 100 children at the birthday party. If 3/5 of them were girls, how many are... (answered by ikleyn)
The ratio of boys to girls at a rock concert was 7 to 6. if there were 1,092 boys how... (answered by richwmiller)
There were 5 times as many boys as girls at the party. Also, the number of boys was 100... (answered by LilSkittleMd)
An equal number of boys and girls attended a birthday party. When 16 girls left, there... (answered by stanbon,josmiceli)
the ratio of boys to girls in the class was 3 to 2. if there were 12 boys. how many girls (answered by stanbon)
At camp last summer, the ratio of boys to girls was 5:4. If there was a total of 90... (answered by ptaylor)
The ratio of girls to boys at the assembly was 3 to 5. If there were 132 girls at the... (answered by Edwin McCravy)
The ratio of boys to girls in the assembly was 5 to 4. If 180 students were in the... (answered by rfer)