Mary scored a total of 27 points in a basketball game. during the game, all her points came from 3-point shots and 2-point shots. the number of 3-point shots she made is 4 more than her 2-point shots. how many 3-point shots and 2-point shots did she make?

a) 2 three-point shots and 6 two-point shots
b) 3 three-point shots and 7 two-point shots
c) 6 three=point shots and 2 two-point shots
d) 7 three-point shots and 3 two-point shots