C(12,5)=
12! / (5!(12-5)!) =
12 x 11 x 10 x 9 x 8 x 7 x6 x5x 4x 3 x2 / (5 x 4x 3 x2 (7x6 5x4x3x2) =
12 x 11 x 10 x 9 x 8 / 5 x 4x 3x2 =
95040 / 120 =
792
Step-by-step explanation:
yess
step-by-step explanation:
idk whyy this is happening, i cant even read my notification bc i keep getting errors
~coco
36 girls
the 48 boys is 4 parts of the ratio
divide 48 by 4 to obtain one part of the ratio
= 12 ← 1 part of the ratio
3 parts = 3 × 12 = 36 ← number of girls