Answer :
15 pages - 3/7 of a week
200 pages - x weeks
Cross multiply:
[tex]15x=200 \times \frac{3}{7} \\ 15x=\frac{600}{7} \\ x=\frac{600}{7} \times \frac{1}{15} \\ x=\frac{40}{7}\\ x=5.71...>5[/tex]
She won't read the book in time.
200 pages - x weeks
Cross multiply:
[tex]15x=200 \times \frac{3}{7} \\ 15x=\frac{600}{7} \\ x=\frac{600}{7} \times \frac{1}{15} \\ x=\frac{40}{7}\\ x=5.71...>5[/tex]
She won't read the book in time.
