The inequality 5y-3<49 represents that 3 less than 5 times a number, y, is less than 49. The table shows Sean's work to solve the inequality.
Step
Given
1
2
Work
5y-3<49
5y< 46
y<9.2
O Sean makes a mistake between Given and Step 1 by subtracting by 3 on both sides when he should have added 3 on both sides.
O Sean makes a mistake between Step 1 and Step 2 by dividing both sides by 5 instead of adding 5 to both sides.
Sean makes a mistake between Given and Step 1 by adding 3 to both sides when he should have added 5.
Sean makes a mistake between Step 1 and Step 2 because he forgot to change the direction of inequality sign.