A paper company needs to ship paper to a large printing business. The paper will be shipped in small boxes and large boxes. Each small box of paper weighs 45 pounds and each large box of paper weighs 75 pounds. There were 3 more small boxes shipped than large boxes and the total weight of all boxes was 1455 pounds. Write a system of equations that could be used to determine the number of small boxes shipped and the number of large boxes shipped. Define the variables that you use to write the system.
Question
A paper company needs to ship paper to a large printing business. The paper will be shipped in small boxes and large boxes. Each small box of paper weighs 45 pounds and each large box of paper weighs 75 pounds. There were 3 more small boxes shipped than large boxes and the total weight of all boxes was 1455 pounds. Write a system of equations that could be used to determine the number of small boxes shipped and the number of large boxes shipped. Define the variables that you use to write the system.
Solution
Let's define the variables first:
Let S be the number of small boxes shipped. Let L be the number of large boxes shipped.
From the problem, we can create two equations:
- The problem states that there were 3 more small boxes shipped than large boxes. This can be written as:
S = L + 3
- The total weight of all boxes was 1455 pounds. Since each small box weighs 45 pounds and each large box weighs 75 pounds, this can be written as:
45S + 75L = 1455
So, the system of equations is:
S = L + 3 45S + 75L = 1455
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