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Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

3x + 4y = 5 x- 3y = -7 solve by substitution

Jenny borrowed $500 for five years at 4 percent interest, compounded annually. what is the total amount she will have paid when she pays off the loan? total amount = p (1 + i)t a. $608.33 b. $729.99 c. $765.77 reset next