Sideways Arithmetic From Wayside School (Wayside School 2.50)

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The broken line shows how the food would taste for how many meals are cooked. For example if 500 meals were cooked, the food would be good. If 2,000 meals were cooked it would be awful, etc.

The solid line shows how many people would want to eat the food at each level of taste. For example if the food were disgusting, only 250 people would want to eat. If it were good, then 3,000

people would want to eat, etc.

We see that the lines cross at the point where the food tastes as bad as it smells. That’s how many meals should be cooked. If they cook 1,500 meals, 1,500 people would want to eat.

In no case will more than 1,500 people ever eat. For example, if 3,000 meals are cooked, the food would be rotten, so only 500 people would want to eat. If the food was excellent, 4,500 people would want to eat, but only 100 people would be able to eat, because that’s all the food there is.

If they cook 4,500 meals, the food would be so bad that half the people would go home sick. But only 100 people will eat, so 50 people would go home sick.

As is often the case, the graph is more difficult to understand than what it is trying to explain.

Problem 39 Answer: 1,000.

Problem 40 Answer: 500.

Problem 41 Answer: 1,500.

Problem 42 Answer: 50.

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Chapter 8

True or False

Problem 43 Answer:

1. False;ll2. True.

Problem 44 Answer:

1. False;ll2. False;ll3. True.

Problem 45 Answer:

They are either both true or both false.

Problem 46 Answer:

Either the first is true and the second is false or the first is false and the second is true.

Problem 47 Answer:

It’s impossible.

Problem 48 Answer:

1. False;ll2. False;ll3. True;ll4. True;ll5. True.

Problem 49 Answer:

1. True;ll2. False;ll3. False;ll4. True;ll5. False.