Answer:

Step-by-step explanation:
Divide by the coefficient of the r factor, then take the square root.

Answer:
3(x-10)=15
Step-by-step explanation:
assuming 152 is a typo
Answer: 3/2 of jam went in each container
Step-by-step explanation:
Answer:
together complete the task in 2 hours
Step-by-step explanation:
given, you can complete three-tenths of task in one hour
you can complete a task in 3.33 hour
your friend can complete one-fifth of task in one hour
your friend can complete a task in 5 hour
together complete the task in
= 
= 2 hour answer