Felix buys a carpet for $230. the price is $3.50 per square foot. if felix had a special discount coupon for $50 off, which linear equation could be used to find the area, a, of the carpet?
select one:
50 = 230 - 3.5a
230 = 3.5a + 50
230 = 3.5a - 50
50 = 3.5a - 230