Let pages written by Tom for a school report = x
Pages written by Jen for school report= 10 x
Pages written by Tom + Pages written by Jen = 396
→ x + 10 x = 396
→ 11 x =396
Dividing both sides by 11, we get
→ x =36,
Pages wrote by Tom= 36 pages
Pages wrote by Jen = 36 × 10=360 pages
