05-10-2018
Mathematics

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Terry brought 2 and 1\2 dozen chocolate chip cookies. She paid $15 for her purchase. if there were 12 cookies in each dozen,what was the cost per cookie?

Respuesta :

05-10-2018

$0.50 a cookie.

15/(12*2.5)=c
15/30=c
.5=c

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pryncessqtatedublin pryncessqtatedublin

05-10-2018

$6 per dozen
$6*2 = 12
Half of 6 is 3
12+3=$15

50 cent per cookie
24(2 dozen)*.50=12
Half of a dozen is 6
6*.50=3

12+3=15

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