Liv wants to buy a new pair of jeans for an upcoming party. she finds a pair she likes that was originally priced at $50 and is now on sale for $42. what is the percent of discount for this item?

a.) 16%
b.) 18%
c.) 20%
d.) 25%

Can someone answer this question? : )

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?