Question
The sum of two consecutive numbers with a difference of 5 is 55. Find the numbers. [4 MARKS]
Answer: Option A
:
Forming the equation: 1 Mark
Steps: 2 Marks
Result: 1 Mark
Let the numbers be x and x+5
Therefore, x+x+5=55
⇒2x+5=55
⇒2x=55−5
⇒2x=50
⇒x=502
⇒x=25
Therefore, the requirednumbers are x=25,and x+5=30
Therefore, the two numbers with a difference of 5 whose sum is 55 are 25 and 30.
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:
Forming the equation: 1 Mark
Steps: 2 Marks
Result: 1 Mark
Let the numbers be x and x+5
Therefore, x+x+5=55
⇒2x+5=55
⇒2x=55−5
⇒2x=50
⇒x=502
⇒x=25
Therefore, the requirednumbers are x=25,and x+5=30
Therefore, the two numbers with a difference of 5 whose sum is 55 are 25 and 30.
Was this answer helpful ?
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