Sam is 3 years younger than marco. marco is 15 years old. how old is sam?
let x represent sam's age
(there are 2 correct answers)

x + 15 = 3

x + 3 = 15

15 / x = 3 < < the slash is divided

3 x = 15

15 - x = 3

Which ahows the graph of the solution set of 6x+4y< 12

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles