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

Select the statement where the value of the unknown number is 5.5. A number divided by 2 is 5.5. 2 divided by a number is 2.75. A number divided by 2 is 2.75. A

solve for 7 hundreds x 10 in unit form and standard form

the patriots beat the giants in a football game. the sum of their scores was 44. the diffrence of thier score was 20 how many points did the patriots score i

round 33 and 89 to estimate their sum

What Is 14 Divided By 72 ?

What is the answer to 15 (6-g)

Word form for 626.014

What is the greatest whole number that rounds to the number 277,300?

What is the expression x2-4 for a=b=3x=5 and y=4

Faites des phrases comme dans l'exemple: Exemple : J'ai un chat: voilà mon chat. Tu as des disques: Elle a un frère: J'a