Respuesta :

Answer:

  • 16/35 chapters per hour

Step-by-step explanation:

Set a ratio:

  • 7/8 hours ⇒ 2/5 chapters
  • 1 hour ⇒ x chapters

Find  the value of x by cross-multiplication:

  • x = 1 × 2/5 ÷ 7/8
  • x = 2/5 × 8/7
  • x = 16/35