PLEASE HELP! I NEED A GOOD GRADE ON THIS TEST!
7. The cost for a business to make greeting cards can be divided into one-time costs and repeated costs. Suppose the total cost to make 300 cards is $900.00, and the total cost to make 650 cards is $1,600.00. What is the total cost to make 1,000 cards? Round your answer to the nearest dollar.
A. $2,100.00
B. $2,300.00
C. $2,500.00
D. $3,000.00
9. The time between a lightning flash and the following thunderclap may be used to estimate, in kilometers, how far away a storm is. How far away is a storm if 6 seconds elapse between the lightning and the thunderclap?
A. 18 kilometers
B. 2 kilometers
C. 3 kilometers
D. 9 kilometers
