the table shows the cost of delivering bread, write a rule to find the the cost of deliveries for n orders

Question

bread orders:1 | 2 | 3 | 4 |
Cost ($): 27 | 42 | 57 | 72 |

Answer 1

To find the rule for the cost of deliveries for n orders, we can observe that for each additional order, the cost increases by $15.

Therefore, the rule to find the cost of deliveries for n orders is:
Cost = 12 + (15 * (n-1))

Answer 2

makw it more simple

Answer 3

The rule for the cost of deliveries for n orders is:

Cost = 15n + 12