The area of a rectangle is as follows...
Area = Base x Height
Base is given to be 3h + 5 and height is given to be 2h
Area = (3h+5)(2h) = 6h^2 + 10h which is none of the answers listed.
Darius reads 2/10 of a book in 3 days. Or 1/5 of a book in 3 days.
So to read one entire book, it would take him 5 times 3 days or 15 days.
1 book * (3 days/ (1/5) book) = 15 days
Answer:
840
Step-by-step explanation:
7C4 × 4! = 840