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If the piece eaten on the fourth day weighed 12g, 96 grams did the whole cake weigh.
Solution
1/12 + 1/6 + 3/8 = 8/24 + 4/24 + 9/24 = 21/24
1 - 21/24 = 3/24
(3/24) * Whole Cake Weight = 12g
To find the whole cake weight:
Whole Cake Weight = 12g / (3/24) = 12g * (24/3) = 96g
Added 8/14/2023 5:32:45 AM
This answer has been confirmed as correct and helpful.