Question

a. the rate of change is __ per yard.

b. write a direct variation equation for the cost Y that will be spent on X yards. __

c. what will be the total cost for 8 yards of fabric?

d. if the total cost of buying fabric is $42, how many yards were bought?

Answer 1

The rate of change is 10.5/3
It cost $3.50 per yard
The total cost for 8 yards is $28
If the total cost of buying fabric is $42 the amount of yards that were bought would be 12