colocar los signos de suma y resta para obtener 10. se pueden juntar los numeros sin cambiar de lugar. 1 2 3 4 5 6 7 8 9=10

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

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21

step-by-step explanation: