Mathswatch: Factorise x^2-42^2
1 answer:
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Question:
You are making sandwiches for a large party. Each sandwich has two slices of bread, one slice of turkey, two slices of cheese, three slices of tomato and 5 slices of cucumber. How many sandwiches will you get from 10 slices of bread and 20 slices of cucumber? assuming you have plenty of everything
Answer:
4 sandwiches
Step-by-step explanation:
Given
1 Sandwich contains:
Required
Number of sandwiches from 10 slices of bread and 20 slices of cucumber?
Since we are to assume that every other thing is in abundance, we will only consider the unit amount of bread and cucumber
Express as ratio
When the ratio is multiplied by 5, the slice of cucumber (25) will exceed the available slices (20).
So, we multiply by 4
This implies that:
8 slices of bread and 20 slices of cucumber are used
Hence:
4 sandwiches can be made
Answer:
Explanation:
This does not show any prejudice for or against anything, so this has got to be the answer.
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