Question

Pls help this is on prodigy no link

Answer 1

Answer:

12 this is super ez lol

Step-by-step explanation:

Answer 2

Total cards signed:-

$\\ \tt\longmapsto \dfrac{1}{4}+\dfrac{3}{5}$

$\\ \tt\longmapsto \dfrac{5+12}{20}=\dfrac{17}{20}$

Cards left:-

$\\ \tt\longmapsto 80-17/20(80)=80-68=12$