Jessie was given the problem 3 2/5÷3/10= to solve. Jessie’s work looks like this:
3/25÷3/10=
17/5÷3/10=
17/5⋅3/10=17⋅3/5⋅10
51/50=1 1/50
jjessie’s answer is incorrect. Answer the following questions about Jessie’s work.
1. What is the first mistake that Jessie made in their work?
The first mistake Jessie made was incorrectly changing the division problem 3 2/5 ÷ 3/10 to 3/25 ÷ 3/10.
2. What is the second mistake that Jessie made in their work?
The second mistake Jessie made was incorrectly multiplying 17/5 and 3/10, as the correct operation should have been division.
3. What is the final mistake that Jessie made in their work?
The final mistake Jessie made was incorrectly simplifying 51/50 as 1 1/50, which is not the correct fraction in simplest form.