Acertain car lot only sells red and white cars! this month, it has a ratio of red cars to white cars of 3: 2. if there are 55 cars on the lot, total, how many red cars are there?

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Can someone me and plz do the problem

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.