One class collects 8 1/4 pounds of recyclable materials. Another class collects 1 1/2 times as many pounds as the first class. How many pounds of recyclable materials do the two classes collect altogether?

20.625 pounds

Step-by-step explanation:

8 1/4 = 8.25 pounds

1 1/2 of 8.25 = 12.375 pounds

8.25 + 12.375 =

20.625 pounds

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

just do 5.2 + 2 ( 7.2) and 1/3 x 3 (.9) and youv'e got your equation. 0.9( 9/10) + 7.2 ^2 = 16.4 hope i could !

step-by-step explanation: