subject
Mathematics, 06.05.2021 21:20 lilsnsbsbs

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

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:00, lattimorekeonna1
Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
Answers: 1
image
Mathematics, 21.06.2019 21:30, madisonsimmons1120
Mon wants to make 5 lbs of the sugar syrup. how much water and how much sugar does he need… …to make 5% syrup?
Answers: 2
image
Mathematics, 21.06.2019 23:30, eileentennyson
I’m really confused and need to learn this
Answers: 1
image
Mathematics, 22.06.2019 03:20, adelheidclees
Why is partitioning a directed line segment into a ratio of 1: 3 not the same as finding the length of the directed line segment?
Answers: 1
You know the right answer?
Mr. Keen, a band teacher, wanted to know if certain types of instruments are more appealing to one g...

Questions in other subjects:

Konu
English, 19.03.2021 19:20