junior1391
03.07.2019 •
Mathematics
The ratio of square h’s length to square i’s length is 3 : 5. if the length of square h is 18 meters, what is the perimeter of square i? a. 60 meters c. 90 meters b. 54 meters d. 120 meters
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Ответ:
first you want to set up your ratios and cross multiply to figure out the number to square l's ratio. which would be 10.8.
then use formula for perimeter
2(l)+2(w)=9
2(10.8)+2(18)=53.6-rounded =54
Ответ:
12 books
Step-by-step explanation:
To find the number of books he has read you'll multiply 15 by 4/5.
So he read 12 books.