20 = Faces on an icosahedron.
what is the mathematical phrase for the verbal phrase the sum of a number and three
I guess you mean: What number when you subtract 20, gives 40 as the answer?x - 20 = 40.Add 20 to both sides: x - 20 + 20 = 40 + 20x = 60
any number plus 0 equals the previously said number 20+0=20 demonstrates the zero property
At No(F) + At No(Na) = 20.At No of Calcium = 20.
20 nickels in a dollar
20 equals 8 more than a number y 20=y+8
20 can be divided by 20 and by 2. 20 divided by 20 equals 1, and 20 divided by 2 equals 10.
20
803 - 20 = 783
20 x 20
There is only one number that equals 20, and that is 20.
20