danielcespedes2005 danielcespedes2005
  • 03-04-2020
  • Mathematics
contestada

A bag contains white marbles and red marbles, 90 in total. The number of white marbles is 6 less than 5 times the number of red marbles. How many white marbles are there?

Respuesta :

laylaggraham
laylaggraham laylaggraham
  • 03-04-2020

Answer:

W = 72

Step by step explanation:

White = W

Red = R

W + R = 90

Write an equation

W = 5R - 6

Substitute

5R - 6 = 90

Add 6 to both sides of the equation

5R = 90

Simplify

90 ÷ 5 = 18

R = 18

90 - 18 = W

W = 72

Hope this was useful to you!

Answer Link

Otras preguntas

(LC)Which territorial acquisition was the result of a rebellion supported by the U.S. military? Samoa Midway Island Hawaii the Virgin Islands ITS NOT A IM
Explain how you can use mental math to compare 7 pounds to 120 ounces.
During an experiment, three coins were tossed once. Part A: Give the sample space to show all possible outcomes for tossing three coins one time, using the let
What is the GCF for 24, 48m
A submarine dives to a depth of 54.6 meters below the surface of the water in 4 minutes. What integer represents the constant rate the submarine travels per mi
what is 1 3/4 times 150 1/2
A bucket filled w sand has a mass of 11.15 kg. when it is filled with water, the mass is 5.95 kg the mass of the sand is twice that of the water. Find the mass
Manual's job pays $11.50 per hour for a 40- hour work week. If Manual works over forty hours, he earns 1 1/2 times his hourly pay for each hour worked. How muc
The diameter of a quarter is about 2.4 cm what is the circumference of a quarter
Why did the federal government demonstrate its authority during the whiskey rebellion