3 boxes A, B and C have same number of cookies inside. The ratio of the có box is shown below. Box A Box B Box C Milk Cookies: Chocolate Cookies Milk Cookies: Chocolate Milk Cookies: Chocolate Cookies Cookies 1:3 1:2 3:5 They have 115 Milk cookies altogether. How many Chocolate cookies must be transferred from box A and B altogether to box C such that the ratio of the total number of cookies in box A to that of box B to that of box C became 4:5:9?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Question 7.
3 boxes A, B and C have same number of cookies inside. The ratio of the contents in each
box is shown below.
Box A
Box B
Box C
Milk Cookies: Chocolate
Cookies
Milk Cookies: Chocolate
Milk Cookies: Chocolate
Cookies
Cookies
1:3
1:2
3:5
They have 115 Milk cookies altogether. How many Chocolate cookies must be
transferred from box A and B altogether to box C such that the ratio of the total number
of cookies in box A to that of box B to that of box C became 4:5:9?
60
Transcribed Image Text:Question 7. 3 boxes A, B and C have same number of cookies inside. The ratio of the contents in each box is shown below. Box A Box B Box C Milk Cookies: Chocolate Cookies Milk Cookies: Chocolate Milk Cookies: Chocolate Cookies Cookies 1:3 1:2 3:5 They have 115 Milk cookies altogether. How many Chocolate cookies must be transferred from box A and B altogether to box C such that the ratio of the total number of cookies in box A to that of box B to that of box C became 4:5:9? 60
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