Justinbonsu Justinbonsu
  • 29-09-2015
  • Mathematics
contestada

At a rock concert, the ratio of girls to boys is 3:7. If there are 360 more boys than girls, how many girls are at the concert?

Respuesta :

WorldCitizen WorldCitizen
  • 29-09-2015
You could understand the ration as parts: the total number of parts was 3+7=10.

So girls were 3/10 parts and boys 7/10 parts. The difference was 7-3=4 parts. this difference is equal to 360, so each part is 90 (4*90 =360).

so girls are "3 parts" and each part is 90, then the number of girls is 3*90=270.
Answer Link

Otras preguntas

Please explain.Use properties to find the sum or product. 89+27+11
Keith is racing his little sister Pattie and has given her a 15 foot head start. She runs 5ft/sec and he is chasing at 8ft/sec. For how long can Pattie stay ahe
When workers use technology to work from home or an office center, they are _____.
2.300 in word form and the value of 3
Artists at this time found new ways to represent a. the Church. c. reality. b. democracy. and. socialism.
What is the unit rate of 360 customers in 30 days
how is jrotc different today than 100 years ago
four real life scientific investigations
Is it true that the order when dividing 3 real numbers does not affect the answer
A 5 digit number has the digits 0, 5, 7, 9, and 0. To the nearest thousand it rounds to 80,000 what is the number?