100 POINTS!!!!! I REALLY NEED HELP!!!!
2 answers:
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Answer:
12/30
Step-by-step explanation:
Here is the complete question
Three of these fractions are equivalent A.30/70 B.12/30 C.9/21 D.6/14 which one is the odd one out
to determine the equivalent fractions, convert the fractions to percentage
× 100 = 42.86%
× 100 = 40%
× 100 = 42.86%
x 100 = 42.86%
Another method is to convert the fraction to its simplest form
30/70
To transform to the simplest form. divide both the numerator and the denominator by 10 = 3/7
12/30
To transform to the simplest form. divide both the numerator and the denominator by 6 = 2/5
9/21
To transform to the simplest form. divide both the numerator and the denominator by 3 = 3/7
6/14
To transform to the simplest form. divide both the numerator and the denominator by 2 = 3/7
Using either methods, 12/30 is the odd one out
Answer:
Step-by-step explanation:
Since this is not factorable, let's just complete the square:
Answer:
Coupon B
Step-by-step explanation:
Given
Required
Which coupon is better
From the question, we have:
Coupon B means that:
By comparison:
Coupon B gives him a better buy because: