A typical adult heart pumps about 1/3 of a pint with every heartbeat, and pumps about 70 beats per minute (while resting)… so about how much blood would an adult heart pump in a typical day?
Can you solve this one using "mental math?" How many times does 3/4 fit into 15 6/8?
There are two small holes in a tub filled with water. If opened, one hole will empty the tub in 3 hours; the other will empty it in 6 hours. If both holes are opened at the same time, how long will it take to empty the tub?
Here's a mystery picture, fraction practice: Mystery Picture
Can you solve this one using "mental math?" How many times does 3/4 fit into 15 6/8?
There are two small holes in a tub filled with water. If opened, one hole will empty the tub in 3 hours; the other will empty it in 6 hours. If both holes are opened at the same time, how long will it take to empty the tub?
Here's a mystery picture, fraction practice: Mystery Picture
The weather forecaster says that it is 200 C in London but
only 7/10 as hot in New York. How hot is it in New York?
Last year, Mr Murrin weighed 60 kg. This year he weighs 2/5
more. How much does Mr Murrin weigh this year?
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