A notebook costs £1.10, a pen costs 33p , a pencil costs 25p and a sharpener costs 79p. Remi buys 4 pencils, 1 pen, 2 sharpeners and some notebooks. He pays with £6 and receives 89p change. How many notebooks did he buy?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?