word problem algebra

Question

A clothing manufacturer purchased 65 yd of cotton and 85 yd of wool for a total cost of $1,155. Another purchase, at the same prices, included 70 yd of cotton and 15 yd of wool for a total cost of $555. Find the cost per yard of the cotton and of the wool.
cotton $ per yard=
wool $ per yard =

Answer 1

c represents cost of cotton

w represents cost of wool

 

65c + 85w = 1155

70c + 15w = 555

 

Can you solve this system?