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Zepler [3.9K]
2 years ago
9

A local Chinese restaurant sells combination meals for $9.50 a piece. If the cost of an order is proportional to the number of m

eals ordered, how much is the delivery charge?
Mathematics
1 answer:
lakkis [162]2 years ago
4 0

Answer:

Step-by-step explanation:

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Just number 2 please i’ve tried many times... i need an equation and the answer :)
Triss [41]

Keller collected $62.48 and Izzy collected $47.83 and J collected $19.98

Step-by-step explanation:

Step 1; Assume that J collected $x, Keller collected $y and Izzy collected $z. All three combined collected $125.95, so

x + y + z = 125.95, take this as equation 1.

From the given data, the following equations can be formed.

y = 42.50 + x or x = y - 42.50 take this as equation 2 and

y = 15 + z, take this as equation 3.

Step 2; Now we must determine x and y in terms of z, so that equation 1 can be solved (the equations can be in terms of any term x, y or z.)

Rearranging equation 2 and 3,

we get 15 + z so  x = y - 42.50, y = x = 15 + z - 42.50, take this as equation 4,

If we substitute equations 4, 2 in 1, we get

(15 + z - 42.50) + (15 + z) + z = 125.95,

3z - 12.5 = 129.95,

3z = 142.45, so z = 47.833.

Substitute z = 47.833 in equation 3.

y = 15 + 47.8333 = 62.4833.

Substitute y = 62.4833 in equation 2,

x = 62.4833 - 42.50 = 19.9833.

Rounding of the values of x,y, and z to nearest hundredth we get

x = $19.98, y = $62.48 and z = $47.48.

7 0
3 years ago
The cargo box of an 18-wheeler truck has an inside length of 39.6 feet,width of 7.6 feet,and a height of 8.8 feet.What is the ca
kipiarov [429]
Sorry this is not related to your question but can you checkout my questions on my account/profile because I need help!!! (:
3 0
3 years ago
(-2/3) to 2nd Power - 3/4 (2 1/3)<br><br> Will give out 50+25 pts and Brainliest Answer
trasher [3.6K]
I think the answer is -47/36

5 0
3 years ago
Read 2 more answers
Madison has lemons and papayas in a ratio of 3:22 how many papayas does she have if she has 12 lemons
Anna [14]
She would have 88 papayas if she had 12 lemons
8 0
3 years ago
Need Help help me plz ;(
omeli [17]
So in order to solve you must first combine like terms.
-2y + 2y + 3 = 3
0 + 3 = 3
Subtract 3.
0 = 0
The answer is infinate solution because both numbers are the same.
I hope this helps love! :)
7 0
3 years ago
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