Multiply your outside number and your answer to see if you got the number inside the box
Answer: x^2 + 6x + 8
Step-by-step explanation: (x+2)(x+4) = x^2 + 4x + 2x + 8
= x^2 + 6x + 8
Answer:
65 miles
Step-by-step explanation:
There are two simultaneous equations
. Remeber that v=d/t, 1hour = 60 minutes.
1. 40 = (d+15)/(t+0.5)
2. 50 = d/t
solving: d= 25 miles and t=0.5 hours.
The distance traveled is:
D=d+d+15
D=65 miles