You play racquetball at a community club. You have two options for paying for court time. Option A: You pay $12 for court time each time you play. Option B: You buy a club membership for $120 and then pay $2 each time you play. a. Write and solve a linear system to determine the number of visits for which the cost would be the same for each option. b. For what numbers of visits is option B less expensive

Acme foods wants to make its chips saltier, but it doesn't want to spend more than it has to on salt. a sample of consumers are asked to compare its current chip (saltiness = 100) with saltier versions and to say whether the new version is saltier. on average, sample consumers reliably say the new chip is saltier when its saltiness value is 108, but not when its saltiness value is below 108. assuming acme foods' sample consumers are representative of people in general, which of the following best represents the just noticeable difference for saltiness? a. 8% b. 108 c. 80% d. 100