PaytonSpaeth2941 PaytonSpaeth2941

21-05-2018
Mathematics

contestada

Sloane brought 20 erasers and pens in total. Each pen costs $2 while each eraser costs $0.40. If he spent $32.50 in all, how many erasers did he buy?

Respuesta :

wolf1728 wolf1728

21-05-2018

A) P + E = 20B) 2*P + .40*E = 32.50Multiplying A) by -2A) -2P -2E = -40 then we add equation BB) 2*P + .40*E = 32.50-1.6E = -7.50The answer does not equal an integer. Is the problem typed correctly?

Answer Link

Otras preguntas

Ail rode his bike 4.8kilometers and then walked 775 meters to go fishing. How many total meters did Ail travel to go fishing

Find x in the right triangle.

What is the area of a trapezoid with bases of 15 cm and 23 cm and a height of 13 cm?

Which of the following correctly represents the chemical formula for lye? S1O1H1] SOHe Na1O1H1 NaOH

A gardener is planting two types of trees: type A is 5 feet tall and grows at a rate of 18 inches per year. Type B is 8 feet tall and grows at a rate of 14 inch

This type of drawing aims to identify and react to the main visual and expressive characteristics of form.

what is this word? someone who permanently lives in the U.S., but is not a _____

Which of the following most accurately summarizes the results of outcome research on different forms of psychotherapy? A. Various forms of psychotherapy are so

"Consumers" within a biome are: more then one answer A. herbivores B.carnivores C.plants D.omnivores

find the solution set for -n^2-12n=0