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artcher [175]
3 years ago
14

How do i solve -10(13+16k)-2

Mathematics
1 answer:
melisa1 [442]3 years ago
3 0
-10 (13) - 10 (16k) - 2-130 - 10 (16k) - 2-130 - (160k) - 2- 160k - 132

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Two combines can harvest 320 acres of wheat in a certain amount of time. Assuming all combines work at the same rate, how many a
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2 combines = 320 acres
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3 years ago
Ms. Dunn spent 10.70 buying slices of pie and cookies. She bought a total of 24 items. A slice of pie costs 0.80 and a cookie co
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Answer:

Ms. Dunn bought 7 slices of pie.

Step-by-step explanation:

With the information provided, you can write the following equations:

x+y=24 (1)

0.80x+0.30y=10.70 (2), where:

x is the number of slices of pie

y is the number of cookies

First, you can solve for x in (1):

x=24-y (3)

Next, you have to replace (3) in (2) and solve for y:

0.80(24-y)+0.30y=10.70

19.2-0.80y+0.30y=10.70

19.2-10.70=080y-0.30y

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y=8.5/0.5

y=17

Finally, you can replace the value of y in (3) to be able to find the value of x:

x=24-17

x=7

According to this, the answer is that Ms. Dunn bought 7 slices of pie.

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3 years ago
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