Answer:
-8
Step-by-step explanation:
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First, we must let:
x = number of tickets intended for adults
y = number of tickets intended for children.
a. Write in terms of x the number of tickets for children
Solution:
x + y = 28 ⇔ y = 28 - x (equation 1)
To answer in terms of x:
no. of tickets for tickets for children = 28 - x
b. the amount spent on tickets for adults
Solution: $30 is the cost of ticket per adult and there are x number of tickets intended for adults.
Therefore,
amount spent on ticket for adults = 30x
c. the amount spent on the tickets.
Solution:
$ 15 = cost of ticket per child
$ 30 = cost of ticket per adult
total amount spent on tickets = 30x + 15y ⇒ (equation2)
substitute equation 1 to equation 2.
(equation 1) y = 28 - x
(equation 2) total amount spent on tickets = 30x + 15y
total amount spent on tickets = 30x + 15(28-x)
total amount spent on tickets = 30x + 420 - 15x
total amount spent on tickets = 15x + 420
Answer:
Point B
Step-by-step explanation:
In a pair representation of a point first element refers to X axis and the second refers to Y axis.
1. find x = 2 on X axis (horizontal axis)
2. draw a vertical line passing x = 2
3. find y = -4 on Y axis (vertical axis)
4. draw a horizontal line passing y = -4
5. Where the 2 drawn lines are cross is the answer
Answer:
C. Moved all terms from left to right that doesn't contain y
Y=-6 +1/3x-3
Simplify
Y=1/3x-9
Step-by-step explanation:
Total bill amount = $ 189
<u>Step-by-step explanation:</u>
Given:
The bill amount = $ 175
Coupon = 10%
Coupon amount = ![\frac{10 \times 175}{100}](https://tex.z-dn.net/?f=%5Cfrac%7B10%20%5Ctimes%20175%7D%7B100%7D)
![=\$ 17.5](https://tex.z-dn.net/?f=%3D%5C%24%2017.5)
Bill Amount after applying the coupon = ![=\$ 175-\$ 17.5=\$ 157.5](https://tex.z-dn.net/?f=%3D%5C%24%20175-%5C%24%2017.5%3D%5C%24%20157.5)
Tip = ![20 \% \text { of } 157.5](https://tex.z-dn.net/?f=20%20%5C%25%20%5Ctext%20%7B%20of%20%7D%20157.5)
=
So the tip amount = $ 31.5
Total bill amount after the coupon and tip = ![\$ 31.5+\$ 157.5=\$ 189](https://tex.z-dn.net/?f=%5C%24%2031.5%2B%5C%24%20157.5%3D%5C%24%20189)
So the total bill amount is $ 189.