Answer:
1
Step-by-step explanation:
3x+2y=8
x=2y
3(2y)+2y=8
6y+2y=8
8y=8
y=1
x=2(1)
x=2
x-1=2-1
x-y=1
Answer:
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= 2412512.1.4.21.5421.3.12.542.3.215.42.4.2143.51.3
Step-by-step explanation:
Answer:
(-7,-4)
Step-by-step explanation:
-6-1=-7
-9-(-5)=-4
Answer:
20%
Step-by-step explanation:
7000-5600=1400
1400/7000×100=20
4/3 = 1/x.....4 lbs potatoes to $3 = 1 lb of potatoes to $x
cross multiply
(4)(x) = (3)(1)
4x = 3
x = 3/4
x = 0.75....so 1 lb of potatoes cost 75 cents
(8,6)...this means 8 lbs of potatoes cost $6
