veronicazeledon veronicazeledon

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 :

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

Otras preguntas

nancy's garden has the dimensions shown 4 1/2 yard 3 3/4 yd . She need find the area

PLEASE PLEASE PLEASEEE help me with these?? thank you so much!!

What was the election of 1800 a turning point in American history ?

what led to the information of political parties?

a sequence has 3 terms its term to term rule is multiply by 6 and then add 13 a) the first term of the sequence is -2 workout the third term b) the order of

jamie scored 5 points more than jasmine on a class test. If they scored a total of 153 points what was jamies score

The triangles shown below must be congruent. True or false ?

Why is the alignment/arrangement of the sun, Earth, and moon, important to tides?

Pierre buys a baseball cap that is on sale for 30% off the original price. The original price is $11. What is the sale price?

pls help The Clayton Antitrust Act A. Allowed the government to inspect meat packing facilities and food where houses. B. Was signed into law by President Taft