Jessie was given the problem 3 2/5÷3/10= to solve. Jessie’s work looks like this:
3 2/5÷3/10=
17/5÷3/10=
17/5*3/10=17⋅3/5⋅10
51/50=11/50
Jessie’s answer is incorrect. Answer the following questions about Jessie’s work.
a. Find and describe Jessie’s error.
b. What is the correct answer?
(4 points)
a. Jessie's error is that she incorrectly multiplied the fractions 17/5 and 3/10 instead of dividing them. This resulted in her getting the incorrect answer of 51/50.
b. The correct answer is 17/5 ÷ 3/10 = (17/5) * (10/3) = 34/3 = 11 1/3.