mefelizabeth mefelizabeth
  • 04-04-2020
  • Mathematics
contestada

90 students showed up for a prom committee meeting. The ratio of boys to girls is 2 to 3 how many boys attended the meeting?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 04-04-2020

Answer:

36

Step-by-step explanation:

boys:girls:

2       3    

Multiply by x

2x:    3x

Add this together to get the total

2x+3x = 90

5x = 90

Divide by 5

5x/5 = 90/5

x =18

The number of boys is 2x = 2(18) = 36

Answer Link

Otras preguntas

estimate for 412*5.904/0.195any one knw the estimate for this and how to work it out
Baker university hired its first coachj in?
How many different ways can you group a red apple, a green apple, a tomato, and a banana? (For example , I'll place apples in one group, and non-apples in anoth
if a baking tray is 700mm by 600mm, how many of 25cm in diameter can fit into the baking tray?
The sum of two numbers is 44.The larger number is 20 more than the smaller number. What are the numbers?
Aside absorbing water and nutrients, what other functions do the roots serve?
Identify two ways of changing the strength of an electric force
What Is Ethane? Can you help me?
Why is living important
1. What are the next three terms in the sequence?-1 ,9 ,19 ,29 . . .A. 38, 37, 32B. 40, 51, 62C. 39, 49 , 59D. 38, 47, 562. What are the next three terms of the