Question

Rachel has \frac{7}{15}

15
7
​
of her project done. If she can finish \frac{7}{45}
45
7
​
of her project each day, how many more days will it take her to complete it?

​

Answer 1

4 days

Explanation:

7/15 done ...then 8/15 to go

8/15 = 24 / 45 if she can do 7/45 per day, she will need 4 more days

(24/7) = 3.4 =~ 4 days

Answer 2

4 days

Explanation:

If Rachel has 7/15 of her project done, then she has 8/15 of her project left to complete.

Convert 8/15 and let it have a denominator of 45, and you get 24/45. If she can finish the rest of her project 7/45 each day, and she has 24/45 left to go, then divide 24 by 7, and you get 3 R3.

Afterwards round that to 4, because Rachel can't leave 3/45 of her project unfinished, she just doesn't have as much work the last day.

So then Rachel can finish her project in 4 days.

Hope this helps!