15. Sarah went to the farmers market because she needed 5 more apples for her Granny’s jam recipe. The recipe calls for 32 apple
s. How many apples did Sarah have before her trip to the farmers market? Please define a variable, then write and solve an equation for this scenario. Show all of your work step by step.
2 answers:
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Answer:
27 pages.
Step-by-step explanation:
Let l be the number of pages in the long paper and s be the number of pages in the short paper.
We have been given that the total number of pages for both papers is 40. We can represent this information in an equation as:
We are also told that the number of pages in the long paper is one more than two times the number of pages in the short paper. We can represent this information in an equation as:
We will use substitution method to solve system of linear equations.
From equation (1) we will get,
Upon substituting this value in equation (2) we will get,
Upon adding 2l to both sides of our equation we will get,
Let us divide both sides of our equation by 3 we will get,
Therefore, there must be 27 pages in the long paper.