Hello guys help me with my math make it standard form i need it now
1. 21 out of 81 computer users are downloading music.
2. 10 out of 100 mobile users used their phone to call.
3. 15 out of 45 teachers are male.
4. 110 out of 220 plants are donated by grade 3 students
5. 27 out of 135 books are mathematics
Thats all five guys Make it standard form pls
By the way guys this is ratio
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Answer:
salamat mgramate
Step-by-step explanation:
axn