3500:4200 reduce to 35:42 see if you can reduce anymore. you can to 5:6
Answer:
4 1/2 hours
Step-by-step explanation:
Pragnesh = 30 minutes
Qazi = 1 1/2 hours
Ronghui = 2 1/2 hours
add them and that gets you 4 1/2 hours. You can also check this yourself by putting this in the number problem. :)
The answer is
2x - 3 + 15 / 5x + 1
A is the answer
The answer is -15x + 6= -9x