A coat. Cost 3 times as much as much as a pair of pants. Together they cost $180 how much does each cost?

Question

I need to find two equations to find xand y but cantfind the equations please help.

Answer 1

Let the cost of a coat be $x and that of a pant be $y.

x=3y is your first equation

x+y = 180 secod equation

So, use the method of substitution

3y+y=180

4y=180

y=$45.

x = 3(45) = $ 135.