Bessy was allowed to invite 10 people to her birthday party. Each person came 2 hrs after another. How long did it take till all friends were there?
Esteban went to the grocery store to buy 9 L of milk for $5.00. How much would each L cost?
James Bond wanted to test his heartbeat per min. He results were 72
beat/min. How many beats would he get for 30 secs?