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artcher [175]
3 years ago
7

The school orchestra has 20 woodwinds, 20 brass instruments, 45 percussionists and 15 strings. Select the portion of the instrum

ents that are brass. Mark all that apply.
Mathematics
2 answers:
Alona [7]3 years ago
6 0

Find total instruments:

20+20+45+15 = 100

20 are brass

The portion would be number of brass over total:

20/100 which reduces to 1/5 are brass

Alenkasestr [34]3 years ago
4 0

Answer:

20% or 1/5

Step-by-step explanation: add all the instruments together and divide brass by all the instruments 20/100

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