The expression 10a+6c gives the cost (in dollars) for a adults and c children to eat at a buffet restaurant. a. the cost for 1 adult is $ . the cost for 1 child is $ .

The total cost is assuming the cost for 1 adult is and the cost for 1 child is

Step-by-step explanation:

Assuming the cost for 1 adult is and the cost for 1 child is :

and

Then the expression that gives the total cost is solved as:

1; 35 is the ratio

step-by-step explanation:

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4