After filling your bird feeders, barbara has 3 1/2 cups of mixed birdseed left. the two bird feeders in the front yard took 4 1/2 cups each. the two feeders in the backyard each took 2 3/4 cups. the two feeders next to the living room window each took 3 1/4 cups. how many mix bird seed did barbara have before filling the bird feeders?

step-by-step explanation:

always plug in x. in this case, x equals 4.

i'm going to first solve 4(2+3x)

1) 4(2+3(4)) use pemdas to solve.

i'm going to multiply whats in the parenthesis first, so 3 times 4=12.

2)4 (2+12) i'm then going to multiply 4 by both numbers in the parenthesis (because multiplying comes before adding)

4 times 2= 8.   4 times 12= 48

4) (8+48)= 56 (answer)

i'm then going to solve 8+12x and plug in 4 for x.

1) 8 +12(4)

multiplying comes before adding, so i'm gonna multiply 12 and 4.

12 times 4= 48.

2) 8+48=56

both equal the same!

for future students the answer is b

hope i

-lavira: )