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Shtirlitz [24]
2 years ago
13

David and Jim like to race each other for best times. In April, the ratio of David winning to Jim was 5 : 9. In August, the rati

o changed to 10 : 4. If David won 15 races in April, how many races did each brother win in August?
Mathematics
2 answers:
mixer [17]2 years ago
8 0
15: 6 is the answer i got it right so hope it helps
Artemon [7]2 years ago
6 0

15: 6

hope this helps

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3 years ago
At high school basketball game, the athletic department sold 250 tickets and brought in 837.50. Adult tickets cost $5 and studen
Tpy6a [65]

Answer:

The system of equations is:

a+s = 250\\5a+2.50s = 837.50

Here a is the number of adult tickets and s is the number of student tickets

Step-by-step explanation:

We will use the given statements to make a system of equations for the given scenario.

First of all we have to decide which variables to be used.

Let a be the number of adult tickets and

Let s be the number of student tickets

So according to the statement that the department sold 250 tickets in total, the equation will be:

a+s = 250

This is equation one of the system of equations

According to the statement that cost of adult ticket is $5, total cost of adult tickets will be: 5a

According to the statement that cost of student ticket is $2.50, total cost of student tickets will be:2.50s

The total earning was $837.50 so the second equation will be:

5a+2.50s = 837.50

Hence,

The system of equations is:

a+s = 250\\5a+2.50s = 837.50

Here a is the number of adult tickets and s is the number of student tickets

7 0
3 years ago
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