Answer:
36 minutes
Step-by-step explanation:
It takes 45 mins to deliver paper on her route.
Let X be the amount of time it takes the brother to complete the route.
The brother works at the rate of 1/x route per min
The girl works at the at the rate of 1/45 route per min
Girl and brother working together works at rate of 1/20 route per min
1/x + 1/45 = 1/20
Multiply through by 180x
180 + 4x = 9x
4x - 9x = -180
-5x = -180
x = -180 / -5
x = 36 mins.
It takes the brother 36 minutes to complete route alone.
Answer:
The length for on side is 10.5.
Step-by-step explanation:
6.5 + 6.5 = 13
34 - 13 = 21
21 divided by 2 is 10.5
Length 10.5 + 10.5 + 6.5 + 6.5 = 34
Answer:
No
Step-by-step explanation:
You see, if your brother has not mastered the art of spinjitzu, then that is a fault all to his own. Please attempt a resuscitation, and re-attempt once he is a master.
Hope this helps!
26 gold metals
Explanation: 70 - 18 silver = 52 metals left
52/2= 26 … so 26 + 26= 52 52 + 18=70
