Tim has a large collection of books. The number of paperback books he owns is three less that four times the number of hard cove
r books. In total, Tim has 447 books. How many hard cover books does he own?
A). 90
B). 100
C). 110
D). 120
1 answer:
Assume x = paperbook, y = hard cover books
x = 4y-3
The answer is A. 90
Hope this helps. - M
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The life expectancy of a circulating coin is 25 years. The life expectancy of a circulating dollar bill is only 1/20 as long.
Step-by-step explanation:
8 / 200 = 4 / 100 = 0.04 ;
Answer:
146 square meters
Step-by-step explanation:
We can split the figure into a 6 by 15 rectangle and a parallelogram (8 base, 7 height).
- The area of the rectangle is 6•15=90
- The area of the parallelogram is 8•7=56
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