Size Cost 4R = $0.25 per photo 5R = $0.50 Per photo 6R = $0.80 per photo A school ordered 308 photos of size 4R and some photos of size 6R THE total amount spent on the photos was $185. How many photos did the school order altogether

0.25×308=$77

185-77=$108

108/0.50×1

=216photos

Total photos=216+308

=524photos

Step-by-step explanation:

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