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Problem Solving (The APE Method). Problem Solving Strategy. Sample Problem: A certain chili recipe calls for 25 pounds of beans to make 40 pounds of chili. If a chef has six 3 pound bags of beans, how much chili can she cook?.

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problem solving strategy
Problem Solving Strategy

Sample Problem:

A certain chili recipe calls for 25 pounds of beans to make 40 pounds of chili. If a chef has six 3 pound bags of beans, how much chili can she cook?

Having a methodical approach to break down and solve problems like this is a key to chemistry.

To complete this problem, we’re going to use the APE method.

ape method
APE Method

Sample Problem:

A certain chili recipe calls for 25 pounds of beans to make 40 pounds of chili. If a chef has six 3 pound bags of beans, how much chili can she cook?

ANALYZE: What is happening in this situation? Write out equations or draw diagrams to form a clear picture of what is happening in this problem.

25 lbs

3 lbs

40 lbs

x 6

ape method1
APE Method

Sample Problem:

A certain chili recipe calls for 25 pounds of beans to make 40 pounds of chili. If a chef has six 3 pound bags of beans, how much chili can she cook?

PLAN: Based upon the given information, write out the chain of steps or setup equations that you need to use in order to get to the final solution.

6 * 3 lbs

25 lbs

=

40 lbs

? lbs

ape method2
APE Method

Sample Problem:

A certain chili recipe calls for 25 pounds of beans to make 40 pounds of chili. If a chef has six 3 pound bags of beans, how much chili can she cook?

EVALUATE: Use the given information appropriately in each step you’ve planned out and perform the calculations needed. Be sure to write out each step and solution so you can check your work. Do not forget to write appropriate units as you go!

6 * 3 = 18

* 40 = 720

÷ 25 = 28.8