MATHEMATICS MIDDLE SCHOOL

Angie and Kenny play online video games. Angie buys 1 software package and 2 months of game play. Kenny buys 2 software packages and 6 months of game play. Each software package costs ​$45. If their total cost is ​$271​, what is the cost of one month of game​ play?

Answers

Answer 1
Answer:

Answer:136

Step-by-step explanation:i multiplied 45 by 3 and got 135 and subtracted that from 271. hope this is right :)

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Two students participated in a fund-raiser. Each sold a combination of pencils and notebooks. The first student sold 2 pencils and 8 notebooks for a total of $17. The second student sold 10 pencils and 3 notebooks for a total of $11. Find the price of each item.Write a system of equations (two equations), and define the variables also.x=y=1)2)9 POINTS! Please help!
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The sum of two numbers is 20. Their difference is 14. Find the numbers.

Answers

X-Y = 14, X+Y = 20, then x=14+Y. Replace x so (14+Y) + Y =20 so 2Y = 6, Y=3 and x=17
3 and 17
17-3=14

hope that helps

If 12 eggs cost $2.04 how much with 18 eggs cost

Answers

the answer is 3.06 because u divide the 2.04 and the 12 and get 0.17
then u multiply that with 18
tada!
If 12 eggs cost $2.04, you need to figure out how much 1 egg cost. In order to do that, you need to divide the cost ($2.04) by the amount of eggs (12):

(2.04)/(12) = 0.17

1 egg = 0.17

Now that we know how much 1 egg costs, we need to take that number and multiply it by 18:

0.17 * 18 = 3.06

In this case, 18 eggs will cost $3.06.

How do you answer $9 ; 10%

Answers

You can calculate percentages by first finding what 10% of a value is and then what 5 or 1% is. From there you can multiply to find multiples and then add to get the required percentage.

HELP ME PLZZZZZ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!​

Answers

Answer:

The answer is 90 winners.

Step-by-step explanation:

Well, we are given three days. The first day has a rate of 13% winning. The second day has a rate of 13% as well. And the third day has a rate of 11%. You can find this simply by dividing the amount of winners by amount of participants. Now, we must find the mean, or average, of these statistics. We will get 12% as the average rate of winners. How did we get this? By simply adding all three (13+13+11) then dividing by three (37/3), which gives us 12% if we round to a whole number. Now, we can take this number and get 12% of 750. How do we do this? Well, 12% is equal to 0.12. So we will multiply 0.12 by 750. This will give us 90. And there you have your answer.

Alternatively, you could add up the total amount of contestants from the three days. You should end up with 1000. Then add up the total amount of winners from the three days. You should get 120. Divide both of these by 4. The winners will now be 40, and the total contestants will be 250. Now multiply both by 3. The amount of contestants will be 750, and the amount of winners will be 90. This way is a bit easier, but does not always work. Do what is best for you!

Hope this helped!

Solve the word problem. The formula d = rt gives the distance traveled in time t at rate r. A delivery truck drives for 1.5 hours and travels 76 miles.

What was the average speed of the truck?

A.
38 miles per hour

B.
50.7 miles per hour

C.
74.5 miles per hour

D.
114 miles per hour

Answers

d=rt\ \ \to\ \ r=(d)/(t)\n\nr=(76)/(1.5)\n\nr=50.66\ (m)/(h)\approx50.7\ (m)/(h)\n\nAnswer\ B

2. Evaluate the expression by substituting the given value(s):(y)2 +-3x2 - 92 for x = 8 and y = -3
a. -72
b. - 3x2 + y2 +(-81)
c. -264
d. 504​

Answers

Answer:

C

is you answers because i did the math so u dont have to ;)
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