Three 233

Three adults and one child want to share the remaining 4/5 of a pie between them. They agree the child gets 3/10 of that amount, while the adults share what's left after the child is served. How much of a whole pie do the adults get? Report your answer as a fraction.

Correct answer:

a =  19/75

Step-by-step explanation:

3a+1b  C=103 54=10 53 4=5012=256=0.24 A=1C=1256=251 25256=2525256=25256=2519=0.76  a=A/3=2519/3=25 319=7519=0.2533

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