milly has a 12m length of matirial, she uses four lengths of 2.3m to make curtains ,she uses the rest to make cushions, a cushion needs a length of 0.48m of the matirial, how many cushions can she make??

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

When you answer this can you explain

Yvaries directly as x. y =90 when x=6. find y when x=13