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lacourboud20005
28.06.2019 •
Mathematics
Ten cookies and three brownies costs 11.25 six cookies and nine brownies costs 15.75 what is the cost of cookies
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Ответ:
Step-by-step explanation:
9x=15.75
x= 1.75 COST OF BROWNIES
3*1.75 X = 11.25
5.25 X = 11.25
COST OF ONE COOKIE= 2.14$
COST OF COOKIES: 6$$
Ответ:
100
Step-by-step explanation: