Question
(a) Write the statement of the following equations. [4 MARKS]
i) 7x+4=46
ii) 5x+46=13
(b) Raju’s father’s age is 5 years more than three times Raju’s age. Find Raju’s age, if his father is 44 years old.
i) 7x+4=46
ii) 5x+46=13
(b) Raju’s father’s age is 5 years more than three times Raju’s age. Find Raju’s age, if his father is 44 years old.
Answer:
:
(a) Correct statement of equation: 1 Markeach
(b) Framing of equation: 1 Mark
Solution: 1 Mark
(a) i) When a number is multiplied with 7 and 4 is added to their product, we get 46 as the final result.
ii) When a number is multiplied with 5,4 is added to their product and their final sum isdivided by 6, the result which we get is 13.
(b) Let Raju's age be x.
Raju's father's age = 3x+5=44
⇒3x+5=44
⇒3x=44−5=39
⇒x=393
⇒x=13years
Raju's age is 13 years.
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:
(a) Correct statement of equation: 1 Markeach
(b) Framing of equation: 1 Mark
Solution: 1 Mark
(a) i) When a number is multiplied with 7 and 4 is added to their product, we get 46 as the final result.
ii) When a number is multiplied with 5,4 is added to their product and their final sum isdivided by 6, the result which we get is 13.
(b) Let Raju's age be x.
Raju's father's age = 3x+5=44
⇒3x+5=44
⇒3x=44−5=39
⇒x=393
⇒x=13years
Raju's age is 13 years.
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