lizzybeldi lizzybeldi

26-11-2016
Mathematics

contestada

when 80% of a number is added to the number, the result is 216. What is the number?

Respuesta :

andriansp andriansp

28-11-2016

80%x + x = 216
0.8x + x = 216
1.8x = 216
x = 216/1.8
x = 120

hope this help

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