Question

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Answer 1

Answer:

17) 8-(0.5+0.78+0.04) = 6.68

18) Cost of third book= 398.47-(73.69+24.65)

Cost of third book= 300.13

Step-by-step explanation:

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Answer 2

*Question 17)

*Answer

=> 8 - 0.5 - 0.78 - 0.04

=> 7.5 - 0.78 - 0.04

=> 6.72 - 0.04

=> 6.68

*Question 18)

*Answer

Cost of 3rd book is Rs 239.74

Explanation:

Cost of 1st book = Rs 73.69

Cost of 2nd book = Rs 85.04

Bill of the three books are = Rs 398.47

So,

Cost of the 3rd book

= Rs (398.47 - 73.69 + 85.04)

= Rs ( 398.47 - 158.73 )

= Rs 239.47

Hence ,

The Cost of 3rd book is Rs 239.74.

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