Roger wants to know if he has enough money to purchase several items. He needs three heads of lettuce, which cost $.99 each, and two boxes of cereal, which cost $3.49 each. He uses the expression (3$0.99) + (2 x $3.49) to calculate how much the items will cost. Which of the following expressions could also beused?
Rosa finds the average of her three most recent golf scores by using the following expression, where a, b, and c are the three scores:.Which ofthe following would also determine the average of her scores?
What is 2/3 divided by 5/12 ?
A 15 cc dosage of a medication must be increased by 20 percent. What is the new dosage?
City High School basketball coach Donna Green earns $26,000 a year. If she receives a 4.5% salary increase, how much will she earn?
In the Pinebrook school district last year, 220 students were vaccinated for measles,mumps, and rubella. Of those, 60 percent reported that they had had flu at some time in their lives. How many students had not had the flu previously?
