Answer:
60%
Step-by-step explanation:
There was a total of 3000 people and of those 3000 people only 18 had a mild allergic reaction.
18/3000 × 100 = 60%
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Answer:
The rocket has a faster unit rate and is
much faster than the penny
Step-by-step explanation:
Find the unit rate of each object and the compare the results
step 1
Find the unit rate per hour of the rocket
To find the unit rate divide the total distance by the time
Let
d -----> the distance in km
t -----> the time in hours
we have


Find the unit rate

step 2
Find the unit rate per hour of the penny
To find the unit rate divide the total distance by the time
Let
d -----> the distance in km
t -----> the time in hours
we have


Find the unit rate

step 3
Compare the unit rates
The units rate of rocket is 
The unit rate of penny is 
Find the difference

therefore
The rocket has a faster unit rate and is
much faster than the penny
Rewriting literal equations is useful when solving problems by helping us get more organized with the problem. If the problem is organized, than it is much easier to solve. (I hope this answered your question)