The percentage of the members of the band won a medal is 60%.
Given that, at a competition 24 of 40 members of a middle school band won a metal.
Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".
The fraction for 24 of 40 members is
24/40
So, the percentage
= 24/40 ×100
= 60%
Hence, the percentage of the members of the band won a medal is 60%.
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Answer:
Step-by-step explanation:
24/40=60%
Answer:
The third one
Step-by-step explanation:
Answer:
function is correct for Erin's purpose and the new growth rate is 32%
Step-by-step explanation:
Growth rate function: --A
where r is the rate of growth
We are given that The function represents the growth of a dragonfly population every year in a remote swamp.
Now Erin wants to manipulate the formula to an equivalent form that calculates four times a year, not just once a year
So, equation becomes:
Now on comparing with A
1.32=1+r
0.32=r
So, New growth rate = 0.32=32%
Hence function is correct for Erin's purpose and the new growth rate is 32%
Answer:20
Step-by-step explanation:
Given Wind speed is 2 mile/hr
Let jamie speed be x km/hr
Also she covered 44 miles with wind in time t
Against the wind
divide the two equations
11x-22=9x+18
x=20 miles/hr