Answer:
14%
Step-by-step explanation:
1. The formula to find percent change is 
. Now, all we have to do is plug in the values to their corresponding variable.
2. (Solving)
- 14%
Time for first plane = 625 / 250
= 2.5 hours
after 1.25 hours
boeing 747 takes 1.25 hours (2.5 - 1.25) to arrive at the same location at the same time
so, speed = distance / time
= 625 / 1.25
= 500
the average speed of the boeing 747 is 500 mph
Answer:
2S + J = 24000
Step-by-step explanation:
let Susan be S
let Jinan be J
they paid 24000
susan paid twice as muh as jinan did
2S + J = 24000
therefore equation is
2S + J = 24000
