Question

英语数学题

The Green Border Company is in the business of making stone tiles to enclose rows of trees. Manufacturing 1,000 tiles costs the company a total of $3,500. Manufacturing 2,000 tiles costs the company a total of $5,000.
1. How much would it cost to manufacture 1500 tiles? 2. How much would it cost to manufacture 10,000 tiles? 3. How much would it cost to manufacture n tiles?

Answer 1

1. 5，250
2. 17,000
3. 当n<2000, 3.5n
当n>2000, 1.5n+2000

Answer 2

$4,250
$17,000
$1.5n+2000

Answer 3

4,250
17,000
1.5n+2000