
David W. answered 06/27/15
Tutor
4.7
(90)
Experienced Prof
Hi Felicity,
In word (story) problems, "of" usually means multiply: 1/3 of 15 pages are written means (1/3)*15 = 5 pages written.
That leaves 15-5 = 10 pages yet to be written.
The tough part of word problems is translating them into math expressions; after that, they are easy.
Best wishes.