3x-4y=12
4y=3x-12
y=(3x-12)/4
y=(3/4)x-3
Answer: the answer is A.
Step-by-step explanation:
Your welcome fam
Answer: $56.50
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(instead of dividing each of them individually and them subtracting them one by one, combine them together as a fraction first and then subtract)
80 - (68/5 + 51/2 + 22/5)
= 80 - (136/10 + 255/10 + 44/10)
= 80 - (435/10)
= 80 - 43.5
= 56.5
He saved $56.50 on that
There are 72 tens in 720.
