s7immermur9angelle s7immermur9angelle

21-03-2017
Mathematics

contestada

A parking lot has a total of 60 cars and trucks. the ratio of cars to trucks is 7:3. how many cars are in the parking lot? how many trucks are in the parking lot? justify your answers.

Respuesta :

wolf1728 wolf1728

24-03-2017

A) c + t = 60
B) 3c = 7t
Multiplying A) by -3
A) -3c + -3t = -180 then adding this to b
B) 3c = 7t
180 = 10t
trucks = 18
cars = 42

Answer Link

Otras preguntas

What is the sum of 3x and 2x

What does the structure of the word “altruistic” tell the reader about its meaning?

Which of these social movements is depicted in the image A-abolition B-temperance C-prison reform D-education reform

Read the excerpt from "As Good as Gold." What does the excerpt show about the historical context of the story?

Under the articles of confederation, who chose the federal government’s congress of delegates? A. State governors B. State legislatures C. The people D. The

You buy 600 g of ham for sandwiches. How many kilograms is this?

Making a country seem too powerful to be attacked is known as?

A company had forty one employees and ordered nine hundred eighty uniforms for them. If they wanted to give each employees the same number of uniforms, how many

6. Grapevine trimmings and other aromatics can be wrapped in aluminum foil with a few holes poked in it to A. enhance presentation. B. lower acidity. C

You are treating a patient with a brain injury. The patient is apneic, unresponsive, hypertensive, and bradycardic and has unequal pupils. Which intervention