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?
in step 1, he should have rounded the weight down to 6 pounds.
in step 2, he should have rounded the cost down to $4.00.
in step 3, he chose the wrong operation to calculate cost.
in step 4, he should have concluded the cost would be under $35.00