Richard bought 3 1/4 ft of plumbing pipe. The pipe cost $1.60 a foot. How much did Richard pay for plumbing pipe? 
 A student solved the problem this way. 
 3 1/4 feet = 3.25 feet
 Let n represent the amount Richard paid for plumbing pipe.
 n = 3.25 × $1.60 
 n = $5.20 
 Richard paid $5.20 for plumbing pipe. 
 Use a similar strategy to solve this problem.
 Connie bought 2 1/8 yd of black felt and 3 3/8 yd of red felt. Felt cost $1.50 a yard. 
 How much did Connie spend on felt?
 A.
 $8.25
 B.
 $8.35
 C.
 $9.95
 D.
 $10.25