help pls brainliest ko unang nakasagot tapos follow naren

kahit saan or ano po dyan isagot mo parehas po tama dahil na reduce ^-^
Pa brainliessss pls ty po
:)
Answer:
1. 1:10
2. 16:2
3. 2:3
4. 2:15
5. 7:3
pa brainliest