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lozanna [386]
3 years ago
15

Lisa earns $8.10 an hour and worked 40 hours. Jamie earns $10.80 an hour. How many hours would Jamie need to work to equal Lisa’

s earnings over 40 hours
Mathematics
2 answers:
Ket [755]3 years ago
7 0
30 hours is how much she would work
Ghella [55]3 years ago
3 0

Answer:

it takes 30 hours for Jamie to equal Lisa's earnings

Step-by-step explanation:

Lisa earns $8.10 an hour and worked 40 hours.

Total amount Lisa earns = rate times hours

Total amount Lisa earns =8.10 \cdot 40=324

Jamie earns $10.80 an hour

LEt 'n' be the number of hours Jamie works

Total amount Jamie earns =10.80 \cdot n=10.80n

we need to find out 'n' when Jamie earnings is equal to Lisa earnings

10.80n= 324

Divide by 10.80 on both sides

n= 30

So it takes 30 hours for Jamie to equal Lisa's earnings

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Not sure need help ​
Greeley [361]
29/90 use the hint:)
6 0
3 years ago
Divide .05 by 4 and round to the nearest tenth
taurus [48]

Answer:

0.1

Step-by-step explanation:

0.5/4 = 0.125

0.125 Rounded to the nearest tenth, is 0.1

Therefore, the correct answer is 0.1

I hope this helps!

8 0
3 years ago
Please help thank you so so so much <br><br> there is more than one answer
Luden [163]

Answer:

B and C work. A and D do not.

Step-by-step explanation:

This is one of those questions that you have to go through each answer to see what the results are. You don't have to go far to eliminate A and D so let's do that first.

A]

5n + 6

Let n = 1

5(1) + 6

5 + 6= 11

However there is trouble beginning with n = 2

5*2 + 6

10 + 6

16     All you need is one wrong answer and the choice is toast. So A won't work.

================

Try D

6(n - 1)+ 5

n=0

6*(-1) + 5

-6 + 5

- 1

And D has been eliminated with just 1 attempt. n= 2 or n = 1 would be even worse.  D is not one of the answers.

=============

B

Let n = 1

6(1) + 5

6 + 5

11 The first term works.

n = 2

6*(2) + 5

12 + 5

17 and n = 2 works as well. Just in case it is hard to believe, let's try n = 3 because so far, everything is fine.

n = 3

6*(3) + 5

18 + 5

23 And this also works. I'll let you deal with n = 4

========

C

n = 0

6(0 + 1) + 5

6*1 + 5

6 + 5

11

n = 1

6(1 + 1) + 5

6*2 + 5

12 + 5

17 which works.

So C is an answer.

4 0
4 years ago
When 24 is subtracted from a number and that difference is multiplied by 1/4, the result is 4.
Katen [24]
If (x-24)0.25 = 4, distribute 0.25 within the parenthesis.
0.25x - 6 = 4
0.25x = 10
Divide both sides by 0.25
x = 40
8 0
3 years ago
Find the volume of the square based pyramid.
frozen [14]
A = 1/3 * s^2 * h where s is a side of the base and h is the height.
4 0
3 years ago
Read 2 more answers
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