If you pay $68.00 including 13% sales tax and a 15% tip on the entire amount to pay a restaurant bill, what was the bill before tax? no links

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

Anyone know? will mark brainliest if correct!

Me asap! what is the slope of this line? enter your answer in the box.