Answer:
we need to to find what percentage 9 is of 90
from looking at this we can see that 90 is just 9*10
so 9% of students took a vanilla cupcake
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703.4 cmsquare
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Answer:
AD also equal 14
Step-by-step explanation:
10% as a decimal would be .10
The average speed is given by:
average speed=(total distance)/(total time)
total time for the first 30 miles was:
time=distance/speed
=30/30
=1 hr
total time for the remaining 30 miles
=30/60
=0.5
hence the average speed will be:
speed=(30+30)/(1+0.5)=60/1.5=40 miles per hour