Question

A survey was given to the members of the muscle pound health club, asking which activities...

A survey was given to the members of the muscle pound health club, asking which activities each club member participates in. The survey revealed that 41 like aerobics classes, 38 like the treadmill, and 88 like lifting weights. Of those, 24 like aerobics and the treadmill, 22 like aerobics and weights, 19 like the treadmill and weights and 14 like all the activities. There were 4 members who do not like any of these three activities.

  1. How many members were surveyed?
  2. How many people like weights but not aerobics?
  3. How many people like aerobics and the treadmill, but don’t like weights?
  4. How many people don’t like the treadmill?
  5. How many people like only aerobics and nothing else?

Someone help please. only 1 and 3 are correct with answers of 10 and 9 respectively

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Homework Answers

Answer #1

be the number of people liking aerobics, treadmill and lifting weights

Then we have

So that equals

Total number of people surveyed is

People liking weights but not aerobics are:

People liking aerobics and treadmill but not weights are

People that don't like the treadmill are

People that like only aerobics and nothing else are

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