A.
and b is 5:6 If a+2
and 3+b= 4:5 'Find a and b
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3
Answer:
a=10. b=12
Step-by-step explanation:
hope this helps u. ok
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a/b=5/6---(1)
a=>5/6*b
(a+2)/(3+b)=4:5
=>((5/6*b)+2)/(3+b)=4:5
=>((5b+12)/6)/(3+b)=4:5
=>(5b+12)/(18+6b)=4:5
=>5(5b+12)/4(18+6b)=1
=>25b+60=72 + 24b
=>25b-24b=72-60
=>b=12
a/b=5/6
=>a/12=5/6
=>a=5/6*12
=>a=10
•°•a=10, b=12
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