A metallurgist has one alloy containing 49 copper and another containing 62 copper. How many pounds of each alloy must he use to make 51 pounds of a third alloy containing 56 copper? (Round to two decimal places if necessary.)
a) 33.11 pounds of 49 copper alloy and 17.89 pounds of 62 copper alloy
b) 17.89 pounds of 49 copper alloy and 33.11 pounds of 62 copper alloy
c) 25.00 pounds of 49 copper alloy and 26.00 pounds of 62 copper alloy
d) 26.00 pounds of 49 copper alloy and 25.00 pounds of 62 copper alloy