Q. No. 1) Savitri had a sum of rs. X. She spends Rs. 1000 on grocery, Rs 500 on education and she receives Rs 200 as gift. How much money is left with her. Write the algebraic expression for it.
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Solution
money left with her = x-1000-500+200 =x-700
Total money with her=x She spent 1000 for grocery and 500 foreducation and get a gift 200 So 1000,500 has to be substracted from x and 200 to be added to x. So it is x-1000-500+200=x-700