About 1/15 pint of blood pumps thru the body with every heartbeat. if average heart beats 72 times per minute how many quarts of blood pump thru the body each minute. hint (1pint = 1/2quart)

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4