Question

50 chairs and 30 blackboards were purchased for a school. If one chair costs Rs.100/- and each blackboard costs Rs.250/-, find the total amount using property of whole numbers.
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Answer 1

Answer:

Rs 12,500

Step-by-step explanation:

Cost of each chair=Rs 100

therefore cost of 50 chairs=Rs(100*50)=Rs 5,000

Cost of each blackboard=Rs 250

therefore,30 blackboards=Rs(250*30)=Rs 7,500

therefore total bill= Rs(5,000+7,500)=Rs 12,500