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# Equations

1.Solve the Problem: Eight years ago, Cascade Water Bottling Company sold 8 billion cases of bottled water. Next year, the company expects to sell 14 billion cases. What is the rate of change during this period? (Assume a constant rate of change)
A) ¾ billion per year
B) 1 billion per year
C) 1 ½ billion per year
D) 2/3 billion per year

2. Solve the Problem: At the local ice-cream parlor, a single scoop of ice cream on a cone costs \$.75 and a double scoop on a cone costs \$1.25. If \$37.25 was collected from selling 41 cones in a certain time span, how many single scoops were sold during that time?
A) 21
B) 28
C) 10
D) 13

#### Solution Preview

1.Solve the Problem: Eight years ago, Cascade Water Bottling Company sold 8 billion cases of bottled water. Next year, the company expects to sell 14 billion cases. What is the rate of change during this period? (Assume a constant rate of change)
A) ¾ ...

#### Solution Summary

Solves using a system of equations

\$2.19