Stan Karpinski is the kicker for the New York Giants. As a kicker, he can score two ways. A field goal is worth 3 points and the extra point after the touchdown is worth 1 point. Stan has scored 30 points with 16 kicks. How many of his kicks were field goals, and how many were extra points?

Question

Stan Karpinski is the kicker for the New York Giants.  As a kicker, he can score two ways.  A field goal is worth 3 points and the extra point after the touchdown is worth 1 point.  Stan has scored 30 points with 16 kicks.  How many of his kicks were field goals, and how many were extra points?

anonymous · Answer

doesnt this work? see:
$$x+y=16\ and\ 3x+y=30$$

anonymous · Answer

here x is the no. of kicks yielding field goal.
and you know y!

anonymous · Answer

Solving we get x=7, y=9 i.e. the no. of field goal kicks is 7 and the no. of touchdown kicks are 9.

anonymous · Answer

thanks darling (;

anonymous · Answer

use the good answer button :)