A science test has 30 questions worth 50 points. Multiple choice questions are worth 2 points and T/F questions are worth 1. How many of each type of quesiton are there?

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

answer: the first graph

step-by-step explanation:

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

20%

step-by-step explanation: