Answer:
I think that the Linear system of equations can be used to find the cost.
Step-by-step explanation:
Answer:
okay i will check it to see
Step-by-step explanation:
Answer:
n = 9
Step-by-step explanation:
divide 45 by 5 to find n
45/5 = 9
Try this suggested example.
PS. the 1st step is marked with red, the 2d step - with green, the 3d step - with blue colours, then the final step is marked with orange.