Answer:
3presents per hour
Step-by-step explanation:
Given parameters:
Number of present wrapped = [tex]\frac{1}{3}[/tex]presents
Time taken = [tex]\frac{1}{9}[/tex]hours
Unknown:
Rate = ?
Solution:
To solve this problem ;
Rate = [tex]\frac{number of present}{time taken }[/tex]
Rate = [tex]\frac{\frac{1}{3} }{\frac{1}{9} }[/tex]
Rate = [tex]\frac{1}{3}[/tex] x 9 = 3presents per hour
