Ming used the calculations shown to find out how much he would spend on 6 pounds of ground beef if 10 pounds of ground beef cost $25.00. what was ming’s error? 10 pounds $25.00 =10 pounds/ 25 $25. 00/25 =0.4 1 unit price=$0.40 $0.40 x 6 =$2.40 what was ming’s error? a. he determined pounds per dollar by dividing 10 by 25 but wrote the unit rate as a dollar value. b. he divided the numerator and the denominator of the fraction by 25. c. he made a mistake when finding the quotient of 10 pounds and 25 dollars. d. he made a mistake when finding the product of $0.40 and 6.