Christina2 Christina2
  • 22-03-2015
  • Mathematics
contestada

if a persons hair grows about 1.2 centimeters a month about how much would it grow in 9 months

Respuesta :

everish everish
  • 22-03-2015
10.8 centimeters

EASY WAY: 1.2 x 9 = 10.8
LONG WAY:
1.2 in one month
2.4 in two
3.6 in three
4.8 in four
6.0 in five
7.2 in six
8.4 in seven
9.6 in eight
10.8 in nine!!
Answer Link
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  • 22-03-2015
[tex]\sf 9*1,2=9* \frac{12}{10}= \frac{108}{10}=\boxed{\sf 10,8~centimeters} [/tex]
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