Seeta did a puzzle in 3 minutes 45 seconds. Ninal did the same puzzle in 7 minutes 28 seconds.
Seeta says.
*I did the puzzle in less than half the time Ninal did the puzzle.'
Is Seeta right?
You must show all your working.

Tom and maria typed in words in the ratio of 1 : 5 in 20 minutes. they typed 864 words altogether. find the number of words that each of them typed

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?