Yvonne is thinking of a number. fifty, decreased by three times the number, is the same as seven times the number, increased by 80. what is yvonne's number?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?

Ofis to ? o y=-3x-4o y=-3x+(-4)o y=-4 + 3xoy=-4-3x