Mitchmorgan5844 Mitchmorgan5844
  • 14-09-2017
  • Mathematics
contestada

The ratio of boy to girls in a class is 3 : 2. there are 15 boys in the class. how many total boys and girls are in the class?
a.15
b.23
c.25
d.35

Respuesta :

smartsie
smartsie smartsie
  • 15-09-2017
c is the answer to that
Answer Link
Becky81
Becky81 Becky81
  • 02-10-2018

the answer is c. 25

expalnation: A 3:2 ratio can be used in a proportion.

3/2=15/girls, girls =15*2÷3=10.

10÷15=25

Answer Link

Otras preguntas

Which of the choices below is the best implied thesis statement for the prompt?
If A = -x + 2x - x + 1 and B = x² + 5, find A + B.
HELP WHAT DOES THIS EVEN MEAN [CRY]
Are the ratios 1:2 and 13:18 equivalent?
Your job in a company is to fill quart-size bottles of oil from a full 100-gallon oil tank. Then you are to pack 12 quarts of oil in a case to ship to a store.
4. What is harder for the astronomer to measure: A galaxy's redshift (indicating recessional velocity) or its distance from Earth? Why? Explain your answer.
A school has a square courtyard and wants to create diagonal walkways. The length of each side of the courtyard is 36 yards. Approximately how long is each walk
Even though urban legends have many positive uses, they also have the potential to be negative. Explain why.
please help i dont wanna fail
Mention any four efforts made to control corruption in nepal