caity2006
20.09.2019 •
Mathematics
Adam had 91dollars. if he spent 21 dollars on new books, what is the ratio of the money he still has to money he's spent.
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Ответ:
3/13
Step-by-step explanation:
ratio is another way to say fraction, so we have 21/91. This can be reduced if we divide by 7: 21/7 = 3, 91/7 = 13. Now we have 3/13. You can write it as 3:13 or 3/13.
Ответ:
rectangle
Step-by-step explanation:
The cross section perpendicular to the base is a rectangle. The cross section parallel to the base is a pentagon similar to the pentagonal base. The solid is a cylinder.