Respuesta :

a)3.5d +5 + 2.5d + 3

= 6d +8
mhanifa

Answer:

  • (5.5d + 8) miles
  • 27.5 miles

Step-by-step explanation:

  • Lyndsay ⇒ 3d + 5
  • Seth       ⇒ 2.5d + 3

a) Together they run:

  • 3d + 5 + 2.5d + 3 =
  • (5.5d + 8) miles

b) They run 5 days Monday through Friday last week:

  • 5.5*5 = 27.5 miles