Total number of balls = 12 + 7 = 19
p(first ball is a red) = 7/19
Answer: 7/19
 
        
             
        
        
        
Answer:
<h2> 65km</h2>
Step-by-step explanation:
Step one:
given
we are told that the distance is 3.25cm on the map
the scale is 1cm to represent 20km
Required
the actual distance
Step two
if 1cm represent 20km
then 3.25cm will represent x km
cross multiply we have
x=2.35*20
x= 65km
Hence,  the actual distance between these two cities in kilometers  65km
 
        
             
        
        
        
Answer:
96 pizzas
Step-by-step explanation:
First, we have to determine how many pizza he can make in one minute = 8/15 = 0.533 
Convert 3 hours to minutes = 3 x 60 = 180 minutes 
The number of pizzas he would make in 3 hours = 180 x 0.533 = 96 pizzas
 
        
             
        
        
        
The least amount of dinners that Manny can make without any supplies leftover is 3