Answer:
the real distance from the shop to the store is 
Step-by-step explanation:
we know that
The scale of the map is
to 
so
by proportion
find the real distance for a distance in a map of 

therefore
the real distance from the shop to the store is 
Speed is v=10.75 m/h
time is t=1.9 h
distance is S=vt=10.75 m/h * 1.9 h = 20.425 miles
5:3 = 120 : x
72 girls and 48 boys
Hope that helps!