sandy3113 sandy3113

12-11-2017
Mathematics

contestada

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?

Respuesta :

urifrenkel1 urifrenkel1

19-11-2017

(x*5-3)/2=x-0.3
0.8*5=4
4-3=1
1/2=0.5
0.8-0.5=0.3

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