Write this ratio as a fraction in simplest form 18 hours to 2 days

3:8

Step-by-step explanation:

Both should be in hours. So, 2 days = 2*24 = 48 hours

18 hours :  2 days  = 18 hours : 48 hours = 18 : 48

                              = 18/48 = 3/8    {giving by 6th tables}

                               = 3:8

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