问题详情

The fixed costs of manufacturing basketballs in a factory are $1,400.00 per day. The variable costs are $5.25 per basketball. Which of the following expressions can be used to model the cost of manufacturing b basketballs in 1 day？
A.$1,405.25b
B.$5.25b ？ $1,400.00
C.$1,400.00b + $5.25
D.$1,400.00 ？ $5.25b
E.$1,400.00 + $5.25b请帮忙给出正确答案和分析，谢谢！