A steakhouse offers 7 sides. Baked potato, mashed potato, fries, Broccoli, salad, soup, or mushrooms. If you choose two sides with your meal, how many different combinations are possible?

14
49
42
21

Question

A steakhouse offers 7 sides. Baked potato, mashed potato, fries, Broccoli, salad, soup, or mushrooms. If you choose two sides with your meal, how many different combinations are possible? 

14
49
42
21

fuzzybird · Answer

7 • 7 which would be 49 right

satellite73 · Answer

no, not really

fuzzybird · Answer

7 • 7 which would be 49 right

satellite73 · Answer

you are being asked how manyways you can choose 2 sides out of seven, or "seven choose two" written as $$\binom{7}{2}$$ or $$_7C_2$$ or even $$^7C_2$$

lexiquesse · Answer

i just counted and i got 21

satellite73 · Answer

compute via $$\binom{7}{2}=\frac{7\times 6}{2}$$ cancel firist, multiply last

fuzzybird · Answer

So 21