A florist received 30 dozen roses. She order 20 dozen. What percent did she receive in excess

Mathematics

2 answers:

KonstantinChe [14]3 years ago

8 0

Extra 10, 10 is half of what she ordered so she received an extra 50%

Evgen [1.6K]3 years ago

6 0

I am pretty sure it is 20%.

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The electrical resistance of aire is directly proportional to its length. If a 45-foot long wire has a resistance of 9 ohm(s), f

wolverine [178]

The resistance is proportional to the length.
You know that 45/9=5
So the ratio (proportionality) is 5.
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8 0

3 years ago

Cesar turned in his third research report, his teacher said that he had completed 20%of the reports for the school year, how man

AleksAgata [21]

Answer:

Cesar will be doing 15 research reports during the school year.

Step-by-step explanation:

Given:

Number of research report completed = 3

Percentage of the report completed for school year = 20%

We need to find total number of research report completed during school year.

Solution:

Let the total number of research report completed during school year be 'x'.

Now we can say that;

Number of research report completed is equal to Percentage of the report completed for school year multiplied by total number of research report completed during school year and then divided by 100.

framing in equation form we get;

$3=\frac{20}{100}\times x\\\\3=0.2x$