$7.18 / 2 = $3.59 per pound
.........................................
so 1 lb = $3.59
2 lbs = 2* $3.59 = $7.18
3 lbs = 3 * $3.59 = $10.77....
the slope of the line is 2
Answer:
<h2>0.85</h2>
Step-by-step explanation:
apple cost = total cost - grapes package cost
5 apples cost = 6.60 - 2.35
= 4.25
per apple cost = 4.25 ÷ 5
= 0.85
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Step-by-step explanation:
Substitute the y in the 1st equation with the 2nd equation.
7x + 10(2x + 9) = 36
7x + 20x + 90 = 36
27x + 90 = 36
3x + 10 = 4
3x = -6
x = -2
So now we can find y.
y = 2x + 9 = 2(-2) + 9 = (-4) + 9 = 5.
So x = -2, y = 5.