i need help please thanks

The Walton, a family of 12, are being given a $330 government tax deduction. They are given $30 for each female and $20 for each male. Build a system of equations that can be used to find the number of females and males in the Walton family.

Question

i need help please thanks 

The Walton, a family of 12, are being given a $330 government tax deduction. They are given $30 for each female and $20 for each male. Build a system of equations that can be used to find the number of females and males in the Walton family.

theviper · Answer

Let males be x & females be y

Then our first equation is 

x+y=12      (given)

& second is  20x+30y=330

theviper · Answer

got it?