Question

Sunita spends Rs. a daily and saves Rs. b per week. What is her income for two weeks?

Answer 1

a multiply by b

and ab multiply by 2

Answer 2

Step-by-step explanation:

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Question



If Binny spends Rs. a daily and saves Rs. b per week. What is her income for two weeks?

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Solution



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Given, 

Amount saved by Benny in a week or 7 days = Rs. b

Amount saved by Benny in two weeks or 14 days = b+b 

                                                                                            = Rs. 2b 

Expenditure of Benny in one day  = Rs. a

Expenditure of Benny in a week or 7 days = Rs. 7a

Expenditure of Benny in two weeks  = 7a+7a

                                                                       = 14a

We know that, 

The income of a person =  Savings of a person + Expenditure of a person

So, 

Benny's income for two weeks  = Benny's savings for two weeks +  Benny's expenditure for two weeks 

                                                      =  Rs. (2b+14a