Question

Attach fiel , I need help number: 39,40,41

Answer 1

For 39 add up drama, music, and what they have in common. 51+63+11+12=114+23=137. Now divide this by the total number, 137+15+7+108=245+22=267. 137/267. 40 is similar. 41 is ((15+12)+(12+7))/267=((27+19)/267=46/267

Answer 2

total number of students is 324.Given in question

Answer 3

that's true, so replace the 267s with 324...

Answer 4

39) the key is 53/108
41) the key is 17/162

Answer 5

not match with the key

Answer 6

39). 51+63+11+12+15+7=159
answer=159/324=53/108
40) 108+51+15+11+12+7=204
answer =204/324
41). 27/324 + 19/324 = 46/324 =23/162

Answer 7

#41)\[\frac{15+12+7}{324}\]