Answer:
Letter B is the answer
Step-by-step explanation:
that all
Answer: 
Step-by-step explanation:
Given: It takes a robin
hours to fly 45 miles.

Speed of robin= 

A robin can fly 10 miles per hour faster than a blue jay. It
Speed of Blue jay = Speed of robin - 10 miles per hour
= 30 miles per hour - 10 miles per hour
= 20 miles per hour
Time taken to cover 45 miles = 
Hence, it will take
by a blue jay to fly that same distance.
Answer:
zoin in I am live and thecode is there in my question
Answer:
x= 14 y= 13
Step-by-step explanation:
Use substitution or elimination
The first one. 1 machine= x 5 mach.=5x. Total time is thus 5x+2/3=1 3/4h. Simply find x by doing 105min-40min/5 and that is 13.