princess009zm princess009zm

15-12-2018
Mathematics

contestada

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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gabygirl104 gabygirl104

15-12-2018

Answer:

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$

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