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Yuri [45]
3 years ago
10

William bought some tickets to see his favorite singer. He bought some adult tickets and some children’s tickets, for a total of

15 tickets. The adult tickets cost $30 per ticket, and the children’s tickets cost $20 per ticket. If he spent a total of $270, then how many adult and children’s tickets did he buy
Mathematics
1 answer:
Fantom [35]3 years ago
8 0
Set x as adult tickets.
Set y as children's tickets.
x + y = 15
30x + 20y = 270
Solve for x in the first equation.
x + y = 15
x = 15 - y
Plug this into the second equation.
30x + 20y = 270
30(15 - y) + 20y = 270
450 - 30y + 20y = 270
450 - 10y = 270
-10y = -180
y = 18
If there is 18 childrens tickets, there should be -3 adult tickets.
This is impossible, and this impossible answer occured because the question is written wrong.
There are a total of 15 tickets
The smallest costing ticket is the childrens ticket, which costs 20$.
If he only bought children tickets, this would be 20x15 which is 300$.
300$ is over 270$, which makes the question impossible.
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7 0
3 years ago
The larger of 2 numbers is 12 more than the smaller. the sum 84. find the numbers
Anestetic [448]
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8 0
3 years ago
Does anyone know how to match these ?
Masteriza [31]
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5 0
3 years ago
Angelica reads 15 pages of a book each day. In 10 days, she reads 200 pages. Assume the relationship is linear. Find and interpr
Dmitriy789 [7]

Answer:

rate of change: 15 pages per day

initial value: 50 pages

Step-by-step explanation:

In this scenario, the rate of change is 15 pages per day. This means that every single day Angelica can read 15 pages of the book and that is the number by which her total read pages will change. In 10 days Angelica can read 150 pages (10 days * 15 pages per day). Since the question states that in 10 days Angelica has read 200 pages then this means that the initial value of pages read would be 50 since this would be the number of missing pages to obtain the 200 read pages in a span of 10 days...

200 - 150 = 50 pages.

7 0
3 years ago
I need help ASAP please only answer if you know the answer (no need for work to be shown)
sergiy2304 [10]
$50.40 since 12% of 45 is $5.40

5.4+45=50.4
7 0
3 years ago
Read 2 more answers
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