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

0000000 0000000

22-03-2015

[tex]\sf 9*1,2=9* \frac{12}{10}= \frac{108}{10}=\boxed{\sf 10,8~centimeters} [/tex]

Answer Link

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