There are six hundred seventy-three students going to a trivia competition. If each school van can hold thirty-one students, how many
vans will they need?

22

Step-by-step explanation:

If you do 673/31 it equals 21.7096774194 but you can’t have 21 buses you do 22 because that gets every student on a bus

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads