Find two consecutive odd integers such that thrice the smaller is 92 more than the larger
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Answers & Comments
Answer:
the smaller is 47 and the larger is 49.
Step-by-step explanation:
turn it into open sentence:
x+2+92=3x
add 2 and 92:
x+94=3x
cancel by subtracting x
94=2x
divide both sides with 2
94/2=47
2x/2=x
47=x
47+2=49
Proof:
47*3=141
141-92=49
Question:"Find two consecutive odd numbers such that the sum of the greater number and 5 times the smaller number is 92"
Answer:
x = 1st odd number
x + 2 = 2nd odd number {odd number increase by 2 each time}
x + 2 + 5x = 92 {sum of greater number and five times smaller is 92}
6x + 2 = 92 {combined like terms}
6x = 90 {subtracted 2 from both sides}
x = 15 {divided both sides by 6}
x + 2 = 17 {substituted 15, in for x, into x + 2}
15 and 17 are the two odd numbers