Mr. Keen, a band teacher, wanted to know if certain types of instruments are more appealing to one gender or the other. So, he conducted a survey of his students’ preferences. The results are compiled in the chart below: Instruments
Boys
Girls
Strings Woodwind Brass Percussion
15 23
19 30
27 13
32 25
Part A
What is the ratio of the number of girls preferring woodwind instruments to the number of boys preferring woodwind instruments?
A. 23:30 B. 30:19 C. 19:30 D. 4:5
Part B
What is the ratio of the number of boys preferring percussion instruments to the total number of boys who were surveyed?
A. 32:25 B. 25:32 C. 93:32 D. 32:93
Part C
What is the ratio of the number of girls preferring strings to the total number of students preferring strings?
A. 23:38
B. 38:23
C. 32:91
D. 91:32 is