Question

Anna is training to run a marathon. She ran `x`miles on Monday and Tuesday, `x+3`miles on Wednesday, and twice as far on Thursday as she did on Wednesday. Write an expression that represents the total distance Anna ran.

Answer 1

y= 4x+6

Explanation:

Step one:

given

distances in miles

Monday= x

Wednesday= x+3 miles

Thursday= 2(x+3) miles

Required

The total distance covered

Step two:

let the total be y

y= x+(x+3)+2(x+3)

open bracket

y= x+x+3+2x+6

y= 4x+6