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anastassius [24]
3 years ago
12

Mrs. Aries hired Jack a math tutor to help her son. Because of budget she can pay him no more than $420 a month. If Jack charges

$35 per hour how many hours can he tutor each month?
Mathematics
1 answer:
klasskru [66]3 years ago
4 0

Answer:

12 hours a month

Step-by-step explanation:

No.of hours the teacher can tutor a month = 420/ 35

= 60/5    {giving by 7th table}

= 12 hours

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Can someone smart please help me?
ollegr [7]
Hello! 

For a:

How I would do this, is I would first say if all 46 animals (heads) were chickens, how many legs would there be? Each chicken has 2 legs, so 46 * 2 = 92. The total amount of legs is 96 as stated in the question, so if all of the animals were chickens, the farmer would be 4 legs short.

Now to add rabbits into the equation. Rabbits have 4 legs, and chickens have 2. You want to find the difference between the two, because as you add rabbits to the animals the farmer has, then you have to take away chickens at the same time. 4-2 = 2, so for each rabbit you replace, you add 2 legs. 

Since the farmer is 4 legs short with all chickens, then you just divide that 4 by the 2 legs you add by replacing a chicken with a rabbit.

4 / 2 = 2 rabbits

So that means there are 2 rabbits. Since there are 46 heads in total, if 2 are rabbits, that means there are 44 chickens.

So there are 44 chickens and 2 rabbits.

b)

You can follow the same steps: I'm assuming all are child tickets for now:

3.05 * 100 = $305

And now you find how much money short you are.

498.6 - 305 = 193.6

Next, you find the difference in the ticket costs.

5.25 - 3.05 = 2.20

And you divide to find the number of adult tickets.

193.6 / 2.2 = 88

Since 100 tickets were sold, and 88 adult tickets were sold, that means 12 child tickets were sold.
7 0
3 years ago
S
lora16 [44]

Answer:

  B.  9

Step-by-step explanation:

We assume that ...

  SU = ST +TU

  133 = (9x-5) +(5x+12)

  126 = 14x . . . . . subtract 7, collect terms

  9 = x . . . . . . . . . divide by 14

7 0
3 years ago
What is the area of a semicircle whose perimeter is 72cm
Nuetrik [128]

Answer:

A = 307.9 sq/cm

Step-by-step explanation:

Find the radius of the semi-circle

diameter + half the circumference = 72 cm

2r + pi*r = 72

r(2+pi) = 72

 

r = 72%2F%28%282%2Bpi%29%29

r = 14

:

what will be the area of that semicircle?

A =1%2F2*pi%2A14%5E2

A = 307.9 sq/cm

7 0
3 years ago
What is this problem
kobusy [5.1K]

Answer:

28 basketballs

Step-by-step explanation:

basketballs : soccer balls

7 : 6

6 units rep 24

1 unit rep 4

7 units rep 28

7 0
1 year ago
PLEASE HELP ANYONE ASAP?!!!!!!
VMariaS [17]

Answer:

The answer is 3x because 3 times 4 is 12, and 12+3=15.

7 0
2 years ago
Read 2 more answers
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