Answer:
Part a) The scale of the new blueprint is
Part b) The width of the living room in the new blueprint is 
Step-by-step explanation:
we know that
The scale of the original blueprint is

and
the width of the living room on the original blueprint is 6 inches
so
<em>Find the actual width of the living room, using proportion</em>

<em>Find the actual length of the living room, using proportion</em>

<em>Find the scale of the new blueprint</em>, divide the length of the living room on the new blueprint by the actual length of the living room

simplify
<em>Find the width of the living room in the new blueprint, using proportion</em>

Answer:
38.4
Step-by-step explanation:
it took 48 minutes and the app miss estimated by 9.6, which is 20% of 48. So subtract 9.6 from 48 and you will get 38.4
Answer:
C should be next
Step-by-step explanation:
Ok after you add 3x to both side you should get this:
5=5x+9
It makes since o subtract 9 from both sides at least for me.
Hope this helps :D
Ya sure....
Just wait......
Have a beautiful and joyful day ahead.
Answer:
let x=rate of the rowing team in still water
x+4=rate of the rowing team with current
x-4=rate of the rowing team against current
travel time=distance/rate
..
90%2F%28x%2B4%29=10%2F%28x-4%29
90x-360=10x+40
80x=400
x=5 rate of the rowing team in still water=5 mph