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Sauron [17]
3 years ago
9

Danielle needs to pay $50.00 to attend her college’s semi-formal. When she works in the dining hall, she makes $20.00 per day pl

us $6.00 for every additional hour she works. If she wants to earn at least $50.00 by Friday, she thinks that she only needs to work 3 additional hours but her friend Jurrae thinks that she needs to work 5
Mathematics
1 answer:
Vesnalui [34]3 years ago
3 0
Her friend is right Danielle needs to work for 5 hours
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Need help with a math problem
Greeley [361]
The answer would be $159.85
6 0
3 years ago
Please help with number 39
mr Goodwill [35]

You want to find values of v (number of visors sold) and c (number of caps sold) that satisfy the equation

... 3v + 7c = 4480

In intercept form, this equation is

... v/(1493 1/3) + c/640 = 1 . . . . . divide by 4480

Among other things, this tells us one solution is

... (v, c) = (0, 640)

The least common multiple of 3 and 7 is 21, so decreasing the number of caps sold by some multiple of 3 and increasing the number of visors sold by that same multiple of 7 will result in another possible solution.

The largest multiple of 21 that is less than 4480 is 213. Another possible solution is (0 +213·7, 640 -213·3) = (1491, 1)

We can also pick some number in between, say using 100 as the multiple

... (0 +100·7, 640 -100·3) = (700, 340)

In summary, your three solutions could be

... (visors, caps) = (0, 640), (700, 340), (1491, 1)

7 0
3 years ago
So. At oaknoll school 90 out of 270 students own computers. What percent of students at oaknoll school do not own computers? Rou
Arada [10]

Answer: There have 66.66..7% of Student own computer(s).

Step-by-step explanation:

What I did is make the whole school (270) be 100%, then I subtract from Whole school to own computer and the answer will be not own computer: 270 - 90 = 180, so there has 180 students who do not own computer, but we want to find the percentage. So we multiply 180 and 100, we will get 18,000! Then divide it to 270 and we will get 66.66..7, write it on top of 100, so it would be 66.66../100 which mean 66.66..% or 66.66..7%

Hopefully that’s helpful, if not then look the attachment include this answer to help better understanding. Good luck!

4 0
3 years ago
What’s the answer?!!!!!
12345 [234]
C = -5

8c-6=2c-36
8c-2c=-36+6
6c=-30
4 0
3 years ago
in 7 hours, the temperature on the slopes of a mountain ski resort fell from 9° f to 2° f. what was the average change per hour.
natka813 [3]

Answer:

1 deggre per hour

Step-by-step explanation:

4 0
3 years ago
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