breashaeeboo8705 breashaeeboo8705

04-07-2020
Mathematics

contestada

Elsa, Alan, and Deon have a total of $82 in their wallets. Alan has 3 times what Deon has. Deon has $7 less than Elsa. How much do they have in their wallets?

Respuesta :

adioabiola adioabiola

06-07-2020

Answer:

Alan=$45

Deon=$15

Elsa=$22

Step-by-step explanation:

Let

Elsa=x

Deon=x-7

Alan=3(x-7)

Total=$82

x+(x-7)+3(x-7)=82

x+x-7+3x-21=82

5x-28=82

5x=82+28

5x=110

x=110/5

=22

Elsa=x=$22

Deon=x-7

=22-7

=$15

Alan=3(x-7)

=3(22-7)

=3(15)

=$45

Answer Link

Otras preguntas

Can our online personas live on beyond our deaths? Why or why not?

Solve for x: 5x + 15 = 28

What is cause-effect?

A ________ determines what cpus a system can use, what integrated ports the system can provide without use of third-party products, and the number and types of

The force involved in a collision is 1.0 × 102 newtons. The duration of the impact is 1.0 × 10-4 seconds. What is the value of the change in momentum?

a)b 256What are the values of a and b in the equation(4x[4x2- ?○ a-2, b-4○ a=-2, b-4○ a-2, b=-4○ a-2, b=-422aaaa0000C日

In what continent is sweden located?

Imagine you discover that a close friend has contracted the human immunodeficiency virus, or HIV. How do you think you would react? Would you still feel comfort

choose the equation below that represents the line passing through the point (-3,-1) with a slope of 4. A) y = 4x - 11 B) y = 4x + 11 C) y = 4x + 7 D) y = 4x -

what operation is the opposite of multiplication