Answer:
468
Step-by-step explanation:
make a proportion:
13/20 = x/720
20x?=720
20x36=720
whatever you do to the bottom you do to the top
13x36=468
468/720 residents claim to recycle
Answer:
im not sure if sqrt of -27 by it self or over -27 but anyways.
sqrt{-27} = 3i(sqrt)3
sqrt{-37}/(-27) = - i(sqrt)3/9
Answer:
13/4 or 3 1/4
Step-by-step explanation:
5 3/8 = 43/8
2 1/8 = 17/8
43/8 - 17/8 = 26/8
26/8 = 13/4
