Ruila works at McDonald's, and worked 20 hours last week. Her gross income
was $280. What is her hourly wage?

Divide gross pay by hours worked to get hourly wage:

280 / 20 = 14

Her hourly wage is $14.00 per hour

Her hourly wage is $14.

Step-by-step explanation:

The question has already given that Ruila worked for 20 hours and her income was $280. In order to find her hourly wage, you have to divide the number of income by the number of hours :

20hourrs = $240

1hour = $240 ÷ 20

= $14

(Hope this helps)

a. is correct

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or