Answer:
36-72
Step-by-step explanation:
all you do is multiply the -9 by the numbers in the parenthesis. If you are multiplying two negatives or two positives then the outcome if positive. If you multiply a positive and a negative the outcome is negative.
Divide the amount left by the percentage left:
they sold 35%, so there is 65% remaining.
280 / 0.65 = 430.769
Round to 431
Now check:
431 x 0.35 = 150.85
Round to 151
431 - 151 = 280 left.
They originally had 431 peaches.
The equation

is quadratic, since the highest power of x is x^2. The quadratic term is -3x^2, the linear term is -29x, and the constant is 30.
154/200* 100%= 77%
77% of the invited guests attended the wedding~
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