To make a certain salad dressing, the chef needs 3 parts oil to 4 parts vinegar. the ratio of oil to vinegar is 3: 4 what does the ratio 3: 4 mean

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

Simplify the expression 10/11(22z) + (a+5) -1

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?