A pump fills 25 of a tank in 23 hour. At this rate, how much of the tank will the pump fill in an hour?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

What is the range for 31,39,29,34,37,24,36,33,34,28

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.