briannacortes160 briannacortes160

23-03-2020
Mathematics

contestada

the ratio of the number of adults to the number of children in a bus is 7:5. If there is 15 children in the bus, how many adults are in the bus?

Respuesta :

MikeMart77 MikeMart77

23-03-2020

Answer:

There are 21 adults in the bus.

Step-by-step explanation:

The easiest way is to express the ratio as a fraction and cross-multiply:

[tex]\frac{7}{5} = \frac{x}{15} \\\\5x=7(15)\\x=7(3)\\x=21[/tex]

Answer Link

Otras preguntas

An elevator's electric hoist is rated at 8.0 kW and has an efficiency of 90.0%. The hoist lifts the elevator car, mass 1225 kg, a distance of 9.00 m. (a) How mu

Does the order in which you perform the subtraction matter in the distance formula? Does the order in which you perform the subtraction matter in the slope form

please help... ......

Integrated Reading and Writing Grammar. 1. Larissa and she / her volunteered to work on a Habitat for Humanity project. 2. Because of her attention deficit diso

I wish I _______ financially strong enough to establish my own school. Which of these will make the sentence subjunctive in mood? A. Were B. Am C. Must be D. Wa

A 1000-kg whale swims horizontally to the right at a speed of 6.0 m/s. it suddenly collides directly with a stationary seal of mass 200 kg. the seal grabs onto

Pattern rule for 3,9,7,21,19,57,55

How BC. and AC. work and what is the correct way the days follow chronologically?

why did the introduction of sound into film initially impede the movement of actors?

Dr. constantine is a substance-abuse counselor who believes that people who abuse substances have very powerful dependency needs that can be traced to their ear