Divide 220 in the ratio 3:8​

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

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?