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=
175⋅310=17⋅35⋅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 in the step where they multiply 175 by 310. It should have been multiplied by 3/10 instead.
b. The correct answer is:
(17/5) / (3/10) = (17/5) * (10/3) = 170/15 = 34/3