Respuesta :
Answer:
10
Step-by-step explanation:
Let the number of postcards with Jillian be x
Number of postcards with Maggie = 4x
4x = 40
x = 40/4
x = 10
The number of postcards with Jillian = 10
Answer:
10
Step-by-step explanation:
Let the number of postcards with Jillian be x
Number of postcards with Maggie = 4x
4x = 40
x = 40/4
x = 10
The number of postcards with Jillian = 10