If it's just simplifying the equation then the answer is:
-4.338
Answer:
468
Step-by-step explanation:
78 x 6 =468
D
K is the second letter in the first triangle and N is the second letter in the other triangle
I think they will meet in 4 minutes.
Explanation
10+15+15+15+15=70
150-20-20-20-20=70
Every minute the first balloon goes up 15 meters and the second balloon goes down 20 meters.