latrell buys a notebook that costs $4.15 and a pen that costs $2.87. use a whole number to estimate the…
latrell buys a notebook that costs $4.15 and a pen that costs $2.87. use a whole number to estimate the total cost of the items. the total cost of the items is about $?
Answer
Explanation:
Step1: Round the cost of notebook
Round $4.15$ to the nearest whole - number. Since $0.15<0.5$, $4.15\approx4$.
Step2: Round the cost of pen
Round $2.87$ to the nearest whole - number. Since $0.87 > 0.5$, $2.87\approx3$.
Step3: Calculate the estimated total
Add the rounded values: $4 + 3=7$.
Answer:
7