43. The cost of doing 4 loads of laundry can be found by evaluating the expression 4 ( w + d ), where w is the cost of doing one load in the washer and d is the cost of doing one load in the dryer. Find the cost of doing 4 loads of laundry when w = $2 and d = $1.
45. You are playing a game in which you try to hit a target with bean bags. You get 10 points for landing on a red zone and 5 points for landing on a blue zone. Write and evaluate an expression to find the total points you score for landing on a red zone 6 times and landing on a blue zone 4 times.
49. A community recreation center is organizing karate classes. Each class can have a maximum of 22 people. If there are 130 people who are interested in taking one karate class, how many classes should the recreation center plan to have?
51. Maria bought 25 packs of soda for the class party. Each pack contained 6 bottles of soda. Each bottle cost $1.75. How much did Maria pay for all the sodas?
53. You put a dollar into a vending machine to get a 65 cent bag of popcorn. How many different combinations of dimes, nickels, and quarters could you receive as change?
55. In addition to including the answers immediately after the questions, the following slides include the answers to all of the questions all in one section…