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19.09.2019 •
Mathematics
Abaker mixes a 21-pound batch of dough that contains 3 pounds of sugar. approximately how many pounds of sugar must be added for the dough to contain 27% sugar?
a. 2.7 b. 3.1 c. 3.6 d. 4.2
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Ответ:
3.6 + 3 = 6.6 pounds of sugar
6.6-3 = 3.6 pounds of sugar added to the dough. This weight that must be added to the total weight of the dough.
3.6 (new sugar) +21 (original dough weight) = 24.6 (total weight)
6.6/24.6 = 26.8%
Ответ: