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Tutors Answer Your Questions about Numbers Word Problems (FREE)
Question 219152: if five is subtracted from twice a number and this difference is tripled, the result is one more than four times the number. find the number. Domain:{8, 9, 10}
I tried to set the problem up as: 2x-5+3(2x-5)=1+4x where the first number is 2x-5 and the 2ns number is 3(2x-5) what did I do wrong?
Click here to see answer by jim_thompson5910(13785)  |
Question 219389: The total length of three wilderness trails is 20km. The first trail is 1km shorter than the twice the length of the second trail. The third trail is 2km longer than the first. Find the length of each trail.
Click here to see answer by rfer(2683)  |
Question 219389: The total length of three wilderness trails is 20km. The first trail is 1km shorter than the twice the length of the second trail. The third trail is 2km longer than the first. Find the length of each trail.
Click here to see answer by likaaka(51)  |
Question 219569: Ok, heres another one, same principle as last one i just cant get it :(
The sum of two numbers is 55. The greater number is seventeen times the smaller number plus one. Find the numbers.
It doesn't give a second number like the other one does.
Click here to see answer by RAY100(1637)  |
Question 219970: this is the exact question
two integers have the property that one is 6 less than 9 times the smaller one. their sum is 64.
i used l as the larger and s as the smaller and this is what i did
l=9s-6
l+9s-6=64
9s-6+s=64
9s-1=64
9s=65
s=7.2 l=58.8
i know i missed something somewhere but i just cant figure it out
Click here to see answer by stanbon(26251)  |
Question 220635: Seven judges graded Joshua.s science project, and the mean of those seven scores was 8.0. Scores could be any integer value 1-10. When the highest and lowest scores were removed, the mean of the five remaining scores was 7.8. What was the least possible score that could have been removed?
Click here to see answer by Theo(667)  |
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