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erma4kov [3.2K]
3 years ago
11

It takes paul m minutes to mow the entire lawn.After he works k minutes,what part of the lawn is still unmowed?

Mathematics
2 answers:
belka [17]3 years ago
5 0
The answer is . . . <u><em>m - k</em></u> minutes is the part of the lawn still unmowed.

You know it takes Paul m minutes to mow the entire lawn, and you know that he's mowed for k minutes so far . . .

 . . . the amount of time left is the total less the amount he's mowed so far

m - k  . . . is the time yet to be spent mowing the rest of the yard.
otez555 [7]3 years ago
4 0
So work =time times rate or W=TR

so T=m-k
W=(m-k)R

if you want just m-k then m-k is the answer
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Giselle works as a carpenter and as a blacksmith.
seropon [69]

Step-by-step explanation:

$20/hr carpenter pay

$25/hr blacksmith pay

Let c = hours working carpentry

Let b = hours working as blacksmith

c + b = 30 {equation 1}

20c + 25b = 690 {equation 2}

In equation 1 solve for one variable in terms of the other.

c = 30-b

Substitute that into equation 2:

20(30-b) + 25b = 690

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5b = 90

b = 90/5

b = 18 hours working as a blacksmith

c = 30-b = 30-18 = 12 hours as a carpenter

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1 year ago
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Fofino [41]
Ok,
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3 years ago
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2 years ago
It rained 40% of the days during Casey's vacation. What fraction of the days did it rain? Please help me!
Virty [35]
Answer:
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6 0
2 years ago
Please answer ASAP will give brainliest!!!!!!!
nlexa [21]

Answer: No he is not correct the answer is 6 3/8

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4 0
3 years ago
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