Answer:
 £21552.
Step-by-step explanation:
Given information:
Principal amount = £18790
Rate of simple interest =4.9% = 0.049 per year
Time = 3 years
Formula for simple interest:
 
where, P is principal, r is rate of interest and t is time in years.
 
 
Total amount after 3 year is
 
 
 
 
Therefore, Dan have £21552 after 3 years.
 
        
             
        
        
        
If I’m doing it correctly it’s 2/3 but I haven’t done it in a while
        
             
        
        
        
Answer:
90 red pens
Step-by-step explanation:
we need to find the least common multiple of the numbers 3 , 5 , 6 , 9
6 = 2 × 3
9 = 3²
then
LCM(3,5,6,9) = 2×5×3² = 2×5×9 = 90
The number 90 can be divided into 3 ,5 ,6 ,9 with no remainder 
Therefore the pack must have 90 pens or a multiple of 90
For example 180 , 270 ...
 
        
             
        
        
        
Answer: m=
1
3
√2 or m=
−1
3
√2
Step-by-step explanation: