6
QuizMultiple Choice
Changing a Scale — Unit test
Question 6 • FL-1205040-M/J Grade 7 Mathematics B -GF
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?
Answer
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.