There are 10 chips on a table. the last person to remove a chip wins. You can only take away up to 3 chips at a time. Develop a strategy to always win

Natasha spent 1 1/2 hours on the beach. she fell asleep for 3/4 of the time she was on the beach and then woke up with a terrible sunburn.how many hours was natasha asleep on the beach?

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?