Mathematics

Margaret Jimenez

31 December, 16:06

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?

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