Hey there, Bulgogi!
The correct answer will be the first one since [I'm assuming] you know that to calculate the percentage of something, it's the amount of that something divided by the total amount but since only 30 students voted [12+18] multiplied by 100.
So, we are calculating the percentage on votes and 12 students voted for Candidate A so our Numerator will be 12 and our Denominator will be the total amount of student who voted, so 30 [or 12+18]
Once put into a fraction, we will get
which would be equals to 2/5 or 0.4. Now we multiply by 100 and we get a total of 40% for Candidate A.
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Your work is correct! Sally can only half 15 boxes per drive. She has 50 boxes. So, it takes her 3 drives to get 45 boxes to shops. Because she has to deliver 5 more boxes, Sally has to take one more trip. Sally has to take 4 total trips.
Answer:
Step-by-step explanation: