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

what are 3 facts about xuchal
Janice correctly answered 21 of the 24 questions. what percent of the questions did she answer correctly?
what is the length of the hypotenuse of a right triangle with legs that measure 8 and 13 cm round the answer to the nearest hundredth
which were newly created cabinet-level departments in the johnson administration
Which of the following were members of the aristocracy in Byzantine society? A shopkeepers B small-scale merchants C soldiers D wealthy landowners
Solving formulas I=PRT solve for R
During a golf game, the ball is hit forward with 500 N of force using a golf club. According to Newton's Third Law of Motion, what is the force of the golf ball
What is the approximate volume of a cylinder with a diameter of 14 meters and a height of 10 meters? Use 3.14 for pi. A. 219.8 m3 B. 439.6 m3 C. 1538.6 m3 D
7/9w=7 what does this mean? Please help
Find the new amount. 8 meters increased by 25% ?