While completing a marathon, Henry spent 28 minutes walking. If his ratio of time walking to jogging was 4:7, how many minutes did he spend completing the marathon?

Answer = He spent 77 minutes completing the marathon.

Step-by-step explanation:

is the ratio. We need to know the amount of time he jogged.

So x is the amount of time he jogged. Solve this equation and cross multiplying and you'll get x = 49. So he jogged for 49 minutes. Now add 28 and 49 and you'll get 77 minutes. Hope this helps!

the answer is d

step-by-step explanation:

y+3=-4(x-2)

y+3=-4x+8

  -3         -3  

y=-4x+5