Which equation is modeled below?
-X+ 1 - 2x+3
Ox+(-1)-2x+3
OX+(-1)-3x+2
-2x - 2x+3

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

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

so, converting firstly the mixed fractions to improper fractions and then "adding".