Ateacher has 4.00 to purchase pencils. if each pencil costs 0.16 how many pencils can the teachers purchase

The teacher can purchase 25 pencils.

Step-by-step explanation:

If each pencil is 0.16$ and the teacher has 4.00$ to spend than you can just divide 4.00 by 0.16 to get the final number of 25 pencils.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10