Answer:
48.30
Step-by-step explanation:
First determine the tip
42 *15%
42 *.15 =6.30
Add this to the amount of the tip
42 + 6.30 =48.30
The total amount is 48.30
 
        
             
        
        
        
Base x height of each of the blocks and then add them together.
        
             
        
        
        
Multiply the number of days by the amount of time you save each week.
        
             
        
        
        
<h2>Number of bacteria after 6 days is 2313</h2>
Step-by-step explanation:
Population after n days is given by
               
Initial population, P₀ = 1000
Increase rate, r = 15 % = 0.15
Number of days, n = 6
Substituting
              
Number of bacteria after 6 days = 2313