Svaries directly as t. if s is 20 when t is 4 then t is when s is 30

6

Step-by-step explanation:

We are doing unit rate.

Unit rate is when you get the value for 1 of the variables. In this, we would want to get the value for t. We do to find the t value. Now we do to find the value of the missing t. T=6.

Hope it Helps!

12cm

the answer is d

  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