During a seven week school term, Tom and his sister Sia agreed to wash the dishes for their parents from Monday to Friday. Tom did them on Monday, Wednesday and Friday, leaving Sia to do them on Tuesday and Thursday. They negotiated with their parents to be paid Rs. 2 for the first week, Rs.4 for the second week, Rs.8 for the third week, and so on. If anyone forgets to do his/her job on any weekday, he/she has to return Rs.3. Consider the following questions: Question1. How much will they be paid in weeks 4, 5 and 6? Question2. What amount of money would Tom be paid for the final week of term? Question3. If Sia forgets to wash dishes on 2 days in the first four weeks of their school term, how much money would she be getting during the entire four week
Answers
Given: Seven week school term Tom and Sia agreed to wash dishes
Tom turns - Monday, Wednesday and Friday
Sia turn - Tuesday and Thursday
parents to be paid -
Rs.2 -first week
Rs.4 - second week
Rs.8 - third week
Rs.3 has to be returned if forgets to wash dishes on any weekday
To Find:
- How much will they be paid in weeks 4, 5 and 6?
- What amount of money would Tom be paid for the final week of term?
- If Sia forgets to wash dishes on 2 days in the first four weeks of their school term, how much money would she be getting during the entire four week
Solution:
1. If we see the paid amount of first three week then we notices that every week the amount get doubled ,so according to this ,the amount to be paid by parents on 4th,5th,and sixth week will be 16,32,64 respectively.
2.Tom will be paid Rs.128 for the final week of the term
3. Total money to be paid to Sia after 4 weeks if she doesn't miss any weekday will be
2+4+8+16=30
as she forgot to wash dish on 2 weekdays , she has to return Rs.3 for each day so total money to be returned will be Rs.6
Money she will be getting during the entire four week will be 30-6=24
So, Money she will be getting during the entire four week will be 24
Answers:
- 16,34 and 64
- Rs.128
- Rs.24