Chicas/os me ayudan es de decisión de fracción ayuda plis

Keisha makes a large sandwich for a family picnic she takes 1/2 of them the sandwich to the picnic her family eats 3/8 of the whole sandwich what fraction of the whole sandwich does keisha bring back from the picnic

What is the result of adding the system of equations? 2x+y=4 3x-y=6

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each