Jake says he can run of a mile in of an hour. How fast is this in miles per hour?
1 answer:
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Answer: 56 large cars and 86 small cars.
Step-by-step explanation:
Let's call:
: the number of large cars.
: the number of small cars.
Then, you can set up the following system of equations:
You can use the Elimination Method:
- Multiply the first equation by -4.0
- Add both equations.
- Solve for l.
≈
Substitute into one of the original equations and solve for <em>s:</em>
<em> </em>