Respuesta :
h ≤ 7
h stands for hours. We use the less than or equal to symbol, since she can work 20 hours, but nothing above that, and she can also work less than 7 hours.
13 + x = / < 20
-13 --------- -13
x = / < 7
Kate can work seven hours at the most. Hope this helps!
-13 --------- -13
x = / < 7
Kate can work seven hours at the most. Hope this helps!