story made by group maths

story made by group  maths

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  • I am having a doubt in maths liner equation can you help me outThree consecutive integers are such that when they are taken in increasing order and multiplied by 2, 3, and 4 respectively, they add up to 74. Find these numbers.
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  • Let the three consecutive integers be x, x + 1 and x + 2.As per the condition, we have2x + 3(x + 1) + 4(x + 2) = 74⇒ 2x + 3x + 3 + 4x + 8 = 74⇒ 9x + 11 = 74⇒ 9x = 74 – 11 (transposing 11 to RHS)⇒ 9x = 63⇒ x = 63 ÷ 9⇒ x = 7 (transposing 7 to RHS)Thus, the required numbers are 7, 7 + 1 = 8 and 7 + 2 = 9, i.e., 7, 8 and 9.
  • I am having a doubt in maths liner equation can you help me outquestion=The ages of Rahul and Haroon are in the ratio 5 : 7. Four years later the sum of their ages will be 56 years. What are their present ages?
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