Which fraction is equivalent to -3/4? a) -3/-2 b) -(-3/2) c) 3/-2 d) -(3/-2) Plsss help
1 answer:
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Answer:
27 people
Step-by-step explanation:
Out of 10 people, 7 people ordered a hot dog.
Multiply both sides by 9:
Out of 90 people, people ordered a hot dog.
Thus, 63 people ordered a hot dog.
Number of people who did not order a hot dog:
Answer:
Step-by-step explanation:
Given that a solution containing 12% alcohol is to be mixed with a solution containing 4% alcohol to make 20 gallons of solution containing 9% alcohol.
Let x gallons of 12% alcohol be mixed with y gallons of 4% alcohol.
Total gallons
Alcohol content in the total mixture
b) Two equations are
c) This is of the form Ax = B
where A =
Inverse is
Solution set is A inverse *B
=