Ava and Ben have to complete an assignment together. In one day, Ava completes 4 pages while Ben completes 7 pages. If there are a total of 99 pages, how many days will Ava and Ben take to complete the assignment?

11 days

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9 days

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12 days

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13 days

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Solution

The correct option is B 9 days
Number of pages completed in a day:
Ava = 4 pages
Ben = 7 pages
Total number of pages completed = 11

Total pages in the assignment = 99

$N u m b e r o f d a y s = \frac{T o t a l p a g e s}{N u m b e r o f p a g e s c o m p l e t e d i n a d a y}$
That is,
$\frac{99}{11} = 9$

Thus, Ava and Ben will require 9 days to complete the whole assignment.

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