Respuesta :
Answer:
2
Step-by-step explanation:
one package has 5 and 5+5 =10 the amount of people at her brothers party so if one package has 5 and it takes two 5s to get to 10 then it is two
hopefully this helps :)
2 packages because there is 10 family members and each package brings 5 so if it brings 5 then 2 packages would be 10. there are 10 family members so each family member will have a noise maker