rome8 rome8
  • 08-01-2017
  • Mathematics
contestada

$12 haircut 15 % tip

Respuesta :

Аноним Аноним
  • 08-01-2017
x/12=15/100
x/12=3/20
cross multiply
12*3=x*20
36=20x
divide both sides by twenty.
1.8=x
12+1.8=13.8
$13.80 is the answer.
Answer Link
davidebiringa
davidebiringa davidebiringa
  • 08-01-2017
12
* .15
60
12
180
$1.80
Answer Link

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