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

Describe the slope of this line of best fit
Krista considers bread and butter to be complements. what would happen if she sees that the price of bread has gone up? 1. the demand for bread and butter would
solve the inequality 2(4x-3)>-3(3)+5x
Sports A question for all my gym-goer and Athletes. what would you like company to add or change on there gym bags? Honest opinion!!!
Amelie solves the following system of equations. Which values of x and y satisfy this system of equations?
3. Describe the light rays as it hits the ground at 10:00 am? A. No shadow is visible. B. It is slanting as it hits the ground. C. It is directly above as it hi
WILL MARK BRAINLIST!! you can only answer one part if you don't feel up to it all​
The cerebral cortex is divided into two mirrored halves known as right and left
Somebody has called -----------( tag question)​
HCl + Fe + ____ + H²Simple Way.Hydrochloric acid + iron --> ______ + hydrogen gas. • Answer this question, only if you know. • Misuse of points will cost a r