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

what is 50 points decreased by 26 percent

A drinking glass is shaped like a cylinder with a height of 5 in. and a diameter of 3 in. Maeva adds 25 spherical pieces of ice to the glass. The pieces of ice

how did Thucydides view war and politics?

which were newly created cabinet-level departments in the johnson administration

The spinning jenny increased the production of thread. What is the name of its inventor? A. Richard Arkwright B. John Kay C. Edmund Cartwright D. James Hargreav

Gayle has 3 less than two times as many stickers as Robin. Gayle has 25 stickers. how many does Robin have

Greg bought 2 boxes of balloons he used half of them to decorate his yard he used 40 to decorate his porch he used the rest inside his house how many balloons d

If the number in the numerator of a unit rate is one what does this indicate about the equivalent unit rate

The _______ demanded that Latin American countries keep their financial affairs on order or risk intervention by the United States

What did Francis Cabot Lowell and Samuel Slater have in common? Their inventions allowed the U.S. economy to decrease dependence on slaves. Their inventions mad