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nekit [7.7K]
3 years ago
12

Shelly has a gift card for her favorite restaurant for $15. She wants to treat a group of her friends sandwiches at the restaura

nt. Sandwiches cost $4.50 each. Write an equation that model the total money Shelly owes if she buys x sandwiches after using the gift card.
Mathematics
1 answer:
Vladimir79 [104]3 years ago
4 0

Answer: the equation is y = 4.5x - 15

Step-by-step explanation:

Let x represent the total number of sandwiches that shelly bought at her favorite restaurant.

Shelly has a gift card for her favorite restaurant for $15. Sandwiches cost $4.50 each. If she buys a total number of x sandwiches, it means that that the total cost will be 4.5×x = $4.5x

Let y represent the amount of money that she owes after buying x sandwiches. Therefore

y = 4.5x - 15

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zloy xaker [14]
Hello!

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65 * 0.20 = 13

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65 - 13 = 52

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Hope this helps!
5 0
2 years ago
The points ​(​15, 18​) and ​(​35,42) form a proportional relationship. Find the slope of the line through the points. Then use t
Ann [662]

Answer:

6/5

Step-by-step explanation:

(42-18) / (35 - 15)  = 24 / 20  = 6 / 5

8 0
3 years ago
a and b can do a piece of work in 12 days, b and c in 15 days and c and a in 20 days. how much time will a alone take to finish
nydimaria [60]
A and b can do a piece of work in 12 days. If a alone have to finish the job among b and c so

A and b=12
A (24 days alone without b)

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7 0
2 years ago
Eric wants to attend a public four-year university. He estimates that the average cost of one year at this university is $19,500
rjkz [21]
325 * 60 = 19500 so 60 months
7 0
3 years ago
Read 2 more answers
What is the value of x and y?
Pavel [41]

Answer:

x=\boxed{2}

y=\boxed{4}

Step-by-step explanation:

\begin{cases} y= 6x-8... (1)\\\\y=-3x+10...(2)\end{cases}

From equations (1) & (2), we find:

6x - 8 = - 3x +10

\therefore 6x+3x = 8+10

\therefore 9x = 18

\therefore x =\frac{18}{9}

\therefore x = 2

Plug x = 2 in equation (1)

y = 6(2)-8 = 12-8 =4

So,

x=\boxed{2}

y=\boxed{4}

6 0
2 years ago
Read 2 more answers
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