Question

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9) A student scored x marks in English but the teacher deducted 5 marks for bad
handwriting. What was the student's final score in English?
10. Raju's father's age is 2 years more than 3 times Raju's age. If Raju's present age is
y years, then what is his father's age?
11. Mohini is x years old. Express the following in algebraic form:
(i) three times Mohini's age next year.
(ii) four times Mohini's age 3 years ago.
(iii) the present age of Mohini's uncle, if his uncle is 5 times as old as Mohini will
be two years from now.
(iv) the present age of Mohini's cousin, if her cousin is two years less than one-
third of Mohini's age five years ago.​

Answer 1

Answer:

9)x-5

10)3y+2

11)

i) 3(x+1)=3x+3

ii) 4(x-3)=4x-12

iii) 5(x+2)=5x+10

iv) ((x-5)/3)-2