Wanlosindingango Wanlosindingango Math Answered The difference between 13 and a number is 7.A number increased by 2 is 4.The product of 2 and a number is 4.A number decreased by 4 is 2.A number divided by 4 is 2.The sum of 20 and a number is 30.A number increased by 10 is least 44.35 is less than the difference of 21 and a number.The quotient of 49 and number is 7.28 decrease by a number is 18