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

Find the sum of 32 2/9 + 23 4/9?

What should I know about becoming a dermatologist?

Can someone answer i for me

What is the slope of the graph? (Example: 2/3,-4,-2/9)

Based on the weather station symbols shown below, what is the most likely location of the low pressure system?A)just west of City AB)just east of City AC)just w

16Which choices show the ratio of the area of the smaller rectangle to the area of the larger rectangle? Select three options.

A body part that has lost its original function through evolution

An item is regularly priced at $75. Keisha bought it on sale for 85% off the regular price.

05. Boarding up windows would be one emergency action most likely taken to prepare for which natural disaster?

2. What type of texts usually use chronological order? (Choose THREE)Ohistorical eventsstoriesmanualsmath textbooksbiographies