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answer: d.) the total number of protons and neutrons is 15
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answered: Guest
15 write your number
answered: Guest
32
step-by-step explanation:
these are your clues: 1. kim ran 18 races2. this was four fewer races than twice thenumber, notice it says twice the number, so you would do the equation 18x2-4; which equals the number 32.thus, 32 is your answer.