The cost of each package is $1.75 and 18 packages was left unsold after 2 weeks .
Using the parameters given for our Calculation;
Number sold in week 1 :
5/8 of 120 = 75
Hence, Number sold in the first week = 75
Amount left = 120 - 75 = 45
In Week 2 :
2/5 of 45 = 18
This means that 18 was sold at $31.5
Cost of each package:
Hence, each package cost $1.75
B.)
The amount of package left unsold after 2 weeks:
Hence, 17 packages was left unsold after 2 weeks .
Complete Question:
En un quiosco, se venden, en una semana 5/8, de un total de 120 paquetes
de figuritas. La semana siguiente, se venden 2/5 del resto a $31,5.
a. ¿A cuánto se vende cada paquete?
b. ¿Qué parte de los 120 paquetes de figuritas queda sin vender luego de
las dos semanas?