If a 10,000 gallon swimming pool requires 4 ounces of a chemical, then how many ounces of the chemical would be required for a 55,000 gallon pool?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Let r = 3. what is the value of r + 58?

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