Question

Roby spends $\$$71 on buying groceries and decoration items. The cost of groceries were $\$$52. Estimate the amount, he would spent on decoration items.(Round off to the nearest tens)

• A. $\$$10
• B. $\$$20
• C. $\$$30
• D. $\$$40

Answer 1

The correct option is B $\$$20

Amount spent on groceries and decoration items =$\$$71
Amount spent on groceries = $\$$52


The nearest ten to 71 is 70 and the nearest ten to 52 is 50.

Amount spent on decoration items = 70 - 50 i.e. $\$$20