Respuesta :
we know that
Joshua earned [tex]\$60[/tex] for working [tex]h[/tex] hours
so
by proportion
Find how much he earned in [tex]1[/tex] hour
[tex]\frac{60}{h} \frac{\$}{hours}=\frac{x}{1} \frac{\$}{hour}\\ \\x=\$(\frac{60}{h})[/tex]
therefore
the answer is the option D
[tex](\frac{60}{h})[/tex]