Answer: $19
Step-by-step explanation:
The total cost in dollars to rent a life Jacket and share a kayak for h hours is given by
[tex]\Rightarrow 4+10h\div 2[/tex]
for h= 3 hours, the total cost is
[tex]\Rightarrow 4+10\times 3\div 2[/tex]
applying BODMAS
[tex]\Rightarrow 4+15=\$19[/tex]