A collector has 120 movie posters and 100 band posters. She wants to sell 24 movie posters but still have her poster collection maintain the same ratio of 120:100. If she sells 24 movie posters, how many band posters should she sell? Explain.

Respuesta :

Answer:

She must sell 20 band posters

Step-by-step explanation:

Answer:

20

Step-by-step explanation:

120x=100*24

x= 100*24/120