Seudónimo Seudónimo
  • 07-10-2015
  • Mathematics
contestada

if 80% is 72 marks what is full marks

can someone tell me the answer please

Respuesta :

darth666
darth666 darth666
  • 07-10-2015

80% = 0.8

100% = 1

0.8 = 72

1 = x

0.8* x = 72 * 1

x = 72 / 0.8 = 90

0.8 * 90 = 72

80% * 90 = 72

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