Register
While shopping for clothes, consuelo spend $3 less than twice what Brenda spent. Consuelo spent $81. How much did Brenda spend?
131k views
2 votes
While shopping for clothes, consuelo spend $3 less than twice what Brenda spent. Consuelo spent $81. How much did Brenda spend?

User GreW
by
6.5k points

1 Answer

4 votes
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.
User Johannes Walter
by
6.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.8m questions

10.5m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!