While shopping for clothes, consuelo spend $3 less than twice what Brenda spent. Consuelo spent $81. How much did Brenda spend?

Question

25-03-2015
Mathematics

contestada

While shopping for clothes, consuelo spend $3 less than twice what Brenda spent. Consuelo spent $81. How much did Brenda spend?

Respuesta :

Otras preguntas

Man A can dig a trench in 60hrs man B can do it in 48hrs and man C can take 50hrs to dig same trench .How long will it take C to finish it by himself if he star

7. This nation is located west of Iraq

Describe some traits of a person who lacks emotional intelligence.

i need help really fast

Use sigma notation to represent the following series for 8 terms.

How is species interaction a factor in evolution? Use the ant and the acacia tree as an example.

Which of the following statements about Jack's lease agent position is most effective? Multiple Choice learned about the lease process by managing leases of 75

PLEASE HELP WILL MARK BRAINLIEST

Are same side exterior angles congruent

SchwarzschildRadius SchwarzschildRadius · Answer 1 · 2015-03-25T19:59:54+01:00

SchwarzschildRadius SchwarzschildRadius

25-03-2015

So,

Let Consuelo's spendings be c and Brenda's spendings be b.

We have our first equation: c = 2b - 3

And our second equation: c = 81

Substitute 81 for c
81 = 2b - 3

Add 3 to both sides
84 = 2b

Divide both sides by 2
42 = b

Brenda spent $42.

Answer Link