Question 4 • Pre-Algebra - MA3119 A ? Distance Learning
Eoin plans to purchase 6.50 pounds of cheese that costs $4.75 per pound. He used the following steps to estimate the cost.Step 1: Round 6.50 pounds up to 7.Step 2: Round $4.75 up to $5.00.Step 3: Multiply 5 by 7 to get 35.Step 4: Conclude that the cost will be just over $35.00. In which step does Eoin make a mistake?
Answer
A
In step 1, he should have rounded the weight down to 6 pounds.
B
In step 2, he should have rounded the cost down to $4.00.
C
In step 3, he chose the wrong operation to calculate cost.
D
In step 4, he should have concluded the cost would be under $35.00.