Answer:
5/2
Step-by-step explanation:
R/9 = -21
Multiply by 9
r = -189
Answer:
Wouldn't it be 45 minutes as well?
Step-by-step explanation:
If you think about it in a real life scenario, if one person does the job and then another person does the same job at the same speed wouldn't it be the same time? But if its not i think it would be 15 minutes because 45-30 = 15
Answer:
x= -1/3 and -2
I have made it in above picture
