A group of friends wants to go to the amusement park. They have $203.75 to spend on parking and admission. Parking is $20, and tickets cost $36.75 per person, including tax. How many people can go to the amusement park?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?