cass9980
08.02.2022 •
Mathematics
The amount of cocoa powder used in the batter of a chocolate cake and the amount of cocoa powder used in the icing for the cake is in the ratio 5:3. The combined weight of the ICED cake (batter + icing) is 480 g, of which 15% is cocoa powder.
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Ответ:
(2, 4)
Step-by-step explanation:
y = x + 2
3x + y = 10
3x + (x + 2) = 10
4x + 2 = 10
4x = 8
x = 2
y = (2) + 2
y = 4