The cost of 5 tables and 20 chairs is $4865. The cost of 7 tables and 40 chairs is $7780. Find the cost of each table (t) and each chair (c).

Chair is $1600

Table are 5 pieces

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.