Jessie was given the problem 32/3 ÷ = to solve. Jessie's work looks like this:
10
3/3 ÷
51
50
.
10
3
10
3
11=178
10
=
=
=
17-3
5.10
= 15/0
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?
a. Jessie's error is that they did not follow the correct order of operations when solving the problem. Instead of dividing 32 by 3 first, they did other calculations such as subtracting 3 from 17 and multiplying 5 by 10.
b. The correct answer to the problem 32/3 ÷ 10 is 32/30, which simplifies to 16/15.