Question

50 chairs and 30 blackboards were purchased for a school. If each chair costs Rs. 1065 and each blackboard costs Rs. 1645. Find the total amount of the bill.

Answer 1

Hint: We will find the cost of 50 chairs by multiplying the cost of one chair by Rs. 1065. Similarly, we will find the cost of 30 blackboards by multiplying the cost of one blackboard by 30. Then, we will add both the costs to find the total amount of the bill.

Complete step-by-step answer:
We have to find the cost of 50 chairs and 30 blackboards.
To
The cost of one chair is Rs. 1065. To find the cost of 50 chairs, we will multiply 30 by the cost of one chair by 50.
The total cost of 50 chairs is $1065 \times 50 = 53,250$
Then, the total cost of chairs is Rs. 53,250.
We will find the cost of blackboards when the cost of one blackboard is Rs. 1645.
Then to find the cost of 30
The total cost of 30 blackboards is $1645 \times 30 = 49,350$
Then, to find the total amount of the bill, we will add the cost of 50 chairs and 30 blackboards
That is, $53,250 + 49,350 = 1,02,600$
Thus, the total amount of the bill is Rs. 1,02,600.

Note: When we have to find the cost of certain items, we multiply the number of items by the cost of one item. Many students make mistakes by not adding the both amounts to find the total bill. Also, multiplication should be done correctly to get the correct answer.