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

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

What did J.J. Thomson's cathode-ray tube experiment show? a. Atoms are small individual spheres. b. Electrons are in a cloud surrounding positively charged part

27. A fluid's resistance to flow is called A. temperature B. density C. viscosity D. mass E. heat

Which examples correctly use colons? Select two options.

Solve 2(x + 1) + 4 = 8. (1 point)

C 3) Our knowledge of the earth's interior has been gained mainly by: a) drilling deep exploration wells b) excavating deep mine shafts c) studying the behavior

what best represents the square root of22

A charge of -2.65 nC is placed at the origin of an xy-coordinate system, and a charge of 2.00 nC is placed on the y axis at y = 3.80 cm

1. In 2011, Molly and Jerry both went to the beach. Molly goes to the beach every 2 years. Jerry goes to the beach every 3 years. What is the next year that bot

18. Estimate the unit profit in mining and processing a 0.80% copper ore deposit if the selling price of copper in concentrate is $1.73/kg and overall unit cost

What gave rise to the slave trade?