nails4life324

21.08.2019 • 

Mathematics

Two students participated in a fund-raiser. each sold a combination of pencils and notebooks. the first student sold 2 pencils and 8 notebooks for a total of $17. the second student sold 10 pencils and 3 notebooks for a total of $11. find the price of each item.
write a system of equations (two equations), and define the variables also.
x=
y=
1)
2)
9 points! !

Ответ:

deanazilyiah

31.12.2021

Mathematics

---

2x + 8y = 17
10x + 3y = 11

We need to solve the system of equations.

x = pencils
y = notebooks

If we solve by graphing, we get the

One pencil costs 0.50 dollars
One notebook costs 2.00 dollars

---

0,0(0 оценок)

Ответ:

jamtil7937

01.07.2021

Mathematics

---

Kswelehekehekeud 96 okshsnsx

---

0,0(0 оценок)