Asked by tom
A certain number was increased 5 times, then decreased by 3, then halved. The result was 0.3 less than the original number. What was the original number?
Answers
Answered by
Steve
"increased 5 times" could mean
x(+x) 5 times = 6x
or
x*5 = 5x
I'll assume the latter, but you can fix it if you need to
(5x+3)/2 = x - 0.3
x(+x) 5 times = 6x
or
x*5 = 5x
I'll assume the latter, but you can fix it if you need to
(5x+3)/2 = x - 0.3
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