Ex 11.4, 1 (a) - Chapter 11 Class 6 Algebra

Transcript

Ex 11.4, 1 (a) Take Sarita’s present age to be y yearsWhat will be her age 5 years from now? Let Sarita’s present age = y years Age 5 years from now = y + 5 years (ii) What was her age 3 years back? Age 5 years back = (y − 3) years (iii) Sarita’s grandfather is 6 times her age. What is the age of her grandfather? Age of grandfather = 6 × Age of Sarita = 6y Grandmother is 2 years younger than grandfather. What is grandmother's age? Age of Grandmother = Age of Grandfather − 2 = (6y − 2) years (v) Sarita’s father’s age is 5 years more than 3 times Sarita’s age. What is her father's age? Age of Sarita’s father = = (5 + 3y) years