SOLUTION: manju spent Rs 'a' daily and saves Rs 'b' per week from her total income. Write an algebraic expression for this situation representing her income for four weeks.

Question 698412: manju spent Rs 'a' daily and saves Rs 'b' per week from her total income. Write an algebraic expression for this situation representing her income for four weeks.

Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
manju spent Rs 'a' daily and saves Rs 'b' per week from her total income
Let I be the income for 4 weeks
she spent a daily
so she spent 7a per week
so she spent 4*7a = 28a in 4 weeeks
She saves b per week
so she saves 4b in 4 weeks
For 4 weeks
income I = 28a+4b
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