Kasi is making a scrapbook of her trip to Europe. If she creates 7 pages in 2 hours, which is a reasonable estimate of the amount of time it will take her to create a 50-page scrapbook?
Responses
A between 14 and 15 hours
B between 17 and 18 hours
C between 13 and 14 hours
D between 15 and 16 hours
E between 16 and 17 hours
3 answers
D between 15 and 16 hours
why
To find out the approximate time Kasi will require to create a 50-page scrapbook, we can use the method of proportion:
If Kasi creates 7 pages in 2 hours, then she creates (7/2) pages per hour.
To create 50 pages, Kasi will require (50/(7/2)) hours.
Multiplying by the reciprocal, we get:
(50/(7/2)) x (2/1) = 100/7 hours
Rounding off, we get the answer as between 15 and 16 hours, which is option D.
If Kasi creates 7 pages in 2 hours, then she creates (7/2) pages per hour.
To create 50 pages, Kasi will require (50/(7/2)) hours.
Multiplying by the reciprocal, we get:
(50/(7/2)) x (2/1) = 100/7 hours
Rounding off, we get the answer as between 15 and 16 hours, which is option D.