Goal:
How can you rapidly calculate a 20 percent tip?
Answer:
Take the total of the bill and move the decimal point one place to the left, double that number and that is 20 percent.

Goal:
fingers
Answer:
can be hit on someone's flesh to make music

Goal:
To make tights easier to put on,
Answer:
bunch them up all the way to the foot so that you can slip it on like a sock and then pull them up from there.

Goal:
Fix tight sunglasses.
Answer:
Heat up arms of glasses with hair dryer, then bend inward.