I. Choose the one alternative that best completes the statement. Encide the 1. Five times a number is fifty a. 5xn=50 b. 5+n=50 c. 5-n50 2. five more than x a. 5-X b. 5+x c. 5+x 3. 20 decreased by p a. 20-P b. 20+p c. 20 xp 4. eight added to z a. 8-2 b. 8+ Z C. 8+z 5. Three times a number increased by six is fifteen. a. (3 + n) 6 = 15 b. (3x n) + 16 = 15 c. (3x n) + 6 = 15​