1. The sum of a number and twenty five a. x-25 b. 25+m c. 25x d. all of the choices are correct e. not in the choices 2. The product of two numbers less than 20 (let a and b are the number) a. 20-ab b. ab-20 c. ba-20 d. 20ab 3. The sum of two consecutive number is 25 a. 2x+1=25 b. x+y=25 c. 2x=25 d. x+2x=25

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