Christy purchased 6.75 pounds of red licorice and 2.37 pounds of black licorice. How much licorice does she need to put in each bag if she divides the total amount into 10 equal-sized bags?

On Serena's tenth birthday, her mom was 3 times Serena’s age. How old will Serena and her mom be when her mom's age times 0.5 will equal Serena's age?

Taylor wants to buy a bicycle that costs $48.75. She works for her mom to after school to earnh the money. If Taylor is paid$4.50 per hour, will she be able to buy the bicycle after working 9 hours? Explain to a friend.

Devin has a new cell phone that holds 1.5 gigabytes if memory for music. He has already used 1.35 gigabytes of the memory. Will he have enough space to download a song that will use 0.12 gigabyte of memory? Explain.

Show all your work. Indicate clearly the methods you use. A software company is trying to decide whether to produce an upgrade of one of its programs. Customers would have to pay $100 for the upgrade. For the upgrade to be profitable, the company needs to sell it to more than 20% of their customers. You contact a random sample of 60 customers and find that 16 would be willing to pay$100 for the upgrade. Which would be a more serious mistake in this setting - a Type I error or a Type II error? Justify your answer.

Tamara recycles 29.5 pounds of aluminum cans at a recycling center that pays $0.26 per pound. How much does Tamara receive for the cans?