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meriva
3 years ago
9

Trevor tutors French for $12 an hour and scoops ice cream for $8 an hour. He is going to work 20 hours this week. At least how m

any hours does he need to tutor to make more than $190? Let x equal the number of hours he tutors and y be the number of hours he scoops ice cream.
At least how many hours does Trevor need to tutor to make more than $190? Please express the answer as a decimal number.
Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
4 0

Answer:

Step-by-step explanation:

Let M = total amount of money earned

M = 12x+8y

To make more than $190, the equation is:

190<12x+8y

Since Trevor is going to scoop ice cream for 20 hours, the equation is:

190<12x+8(20), which simplifies to 190<12x+160.

Isolate x to find the amount of hours that Trevor needs to tutor.

190-160<12x

30<12x

30/12<x

2.5<x

Trevor must tutor for more than 2.5 hours to make more than $190.

Lesechka [4]3 years ago
3 0

Answer:

x > 2.5 hrs

Step-by-step explanation:

12x + 8(20)= 190

  12x + 160 = 190

   12x = 30

    x > 2.5 hrs

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What is 5-8|-2n|=-75? And I know it is not n=5 or -5 Please Help!
vichka [17]

Answer:

n = -5

I think the answer is -5, because:

The last number in the operation has a negative sign.

This can be a reason that it is-5.

Hope it helps!

6 0
3 years ago
At a bus station, buses begin their routes at 6 a.M. The schedule for two of the buses is based on the time intervals listed bel
Marianna [84]

Answer:

The next time both will leave the bus station at the same time is 7:15 a.m.

Step-by-step explanation:

Since 15 and 75 are multiples to each other.

So, L.C.M. of 15 and 75 is 75.

So, after 75 minutes both buses will leave the station at the same time.

Also since buses begin their routes at 6 a.m.

So, next time they will meet at

6 hours 0 minutes + 75 minutes = 7 hours 15 minutes = 7:15 a.m.

7 0
3 years ago
Given the sequence 2, 5, 8, 11, 14, ..., which term is 59? (Hint: find n.)
____ [38]
N = 3  ( the next number is 3 plus the previous number
 sequence formula = an = 3(n-1) +2

so for term the term that =59

59 = 3(n-1) +2

distribute:
59 = 3n -3+2

59 = 3n -1

60 = 3n
n = 60/3
n = 20

59 is the 20th term



8 0
3 years ago
How many whole numbers less than 2,700,000  end with 2014?
DIA [1.3K]
270 hole numbers end with 2014 in 2,700,000
4 0
3 years ago
The simple interest on an investment of $8000 for one year is $360.
elena55 [62]
I = PRT
$360 = $8000 x R X 1
$360 = $8000 X R
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R= 0.045 * 100
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8 0
3 years ago
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