Your answer:
<span>Equation:
x(x+1) = 2(x+1)+77
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x^2+x = 2x+79
x^2-x-79 = 0
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This quadratic does not have an integer solution.</span>
P= 2.5m + 35 (replace p with 115)
115= 2.5m + 35 (subract 35 from each side)
115 - 35 = 2.5m
80 = 2.5m (divide 2.5 from each side)
80/2.5= 2.5m/2.5
32 = m
The price of the materials is $32
Answer:
option 2
Step-by-step explanation:
LM is 6.9 to 1dm and LM is 8