Answer:
2:1
Step-by-step explanation:
30/15=2/1
2:1 is the answer you are looking for
Hope it helped
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Answer:
5(3u+2)(8u+3)
Step-by-step explanation:
lmk if you want an explanation
Answer:
9. 
11. 
Step-by-step explanation:
9)

11)

Hope this helps!
Answer:
22
Step-by-step explanation:
5х+5=115
5х=115-5
5х=110
х=22