Yang bought thrice as many blue marbles as pink marbles. he spent as much money on the blue marbles as he did on the pink marbkes. the difference between the cost of each blue marble and that of each pink marble was $0.60. find the cost of a pink marble.

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Which expression is equivalent to the expression shown?

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?