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7. Three consecutive integers are such that if taken in increasing order and multiplied by 2, 3 and 4respectively, they add upto 72. Find these numbers.Please help me |
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Answer»
let the three numbers be X,x+1 and x+2 according to question 2(x)+3(x+1)+4(x+2)= 72 2x+3x+3+4x+8=72 9x+11=72 9x= 72-11 x= 61/9??? I think the number should add up to 74 or 65 or 92 or 83 in CASE it's 74 we have 9x+11= 74 9x= 74-11 9x= 63 x= 63/9 = 7 x+1= 7+2=8 x+2= 7+2= 9 |
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