Use a model to solve: (3 points) one sixth plus three sixths plus one sixth equals
a

three sixths
b

four sixths
c

five sixths
d

six sixths
no links pls

d 5/6

Step-by-step explanation:

1/6 + 3/6 +1/6 = 5/6

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

  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