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the official run time of a movie is 140 minutes.Your friend who has seen the movie says its about 2.3 hours
A. write the official run time in hours as a fraction and as a decimal.
B.did your friend overestimate or underestimate the length of the movie?Illustrate your answer using tow different comparisons.Which method did you prefer

Sagot :

Crisforpidn
A.
1 hour = 60 minutes ;
2 hour s= 120 minutes;
140 - 120 = 20 minutes ;
20 = 60 ÷ 3 ;
20 minutes represents ( 1 / 3 ) hour;
Then, 140 minutes represents 2 1 / 3 hours ;
2 1 / 3 = 7 / 3 = 2.(3) ;
B.
2.(3) > 2.3 ;
your friend underestimate the length of the movie ;
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