1. David paints 3 rooms in 7 hours. At the same pace how long will it take him to paint 16 rooms?
Proportions please answer with proportions thanks

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.