Q:

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____1Unit Price=$0.40$0.40 x 6 =$2.40What 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.

Accepted Solution

A:
For this case we have that Ming made the following division:
 (10/25) = 0.4
 The result of the division is correct numerically.
 However, the units of the result are incorrect.
 The correct units for this case are given by:
 0.4 pound / $
 Answer:
 A. He determined pounds per dollar by dividing 10 by 25 but wrote the unit rate as a dollar value.