13 cups of water -- 2 cups of concentrated cleaner (the ratio is )
w cups of water -- 5 cups of concentrated cleaner (the ratio is )
Write a proporion:
Answer: option A
A machine puts lids on 45 jars per minute
2 answers:
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The given quadratic equation is
comparing with
We get ,
formula :
Discriminant of given quadratic equation is 25 .
option (B) 25 ✔