jeffhuffle17
13.10.2019 •
Mathematics
Norma is getting ready for a nation typing contest. during the contest she must type 30,000 words. she was able to finish 1/4 of this in 1/6 of an hour . how long will it take her to type all the words?
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Ответ:
2 * 7500 words in 2 * ( 1 / 6 ) of an hour => 15000 in 1 / 3 of an hour ;
2 * 15000 words in 2 / 3 of an hour => 30000 words in 40 minutes ;
Ответ:
396cm
Step-by-step explanation:
55 x 40 = 2,200
2,200 x 180 = 396,000
396,000 / 1000 = 396
396cm
(I don't know for sure).