20-29: zwanzig, einundzwangig, zweiundzwanzig, dreiundzwanzig, vierundzwanzig, fünfundzwanzig, sechsundzwanzig, siebenundzwanzig, achtundzwanzig, neunundzwanzig
30-39: dreizig, einunddreizig, zweiunddreizig, vierunddreizig, fünfunddreizig, sechsunddreizig, siebenunddreizig, achtunddreizig, neununddreizig
40: vierzig
From 20 to 100 counting in German follows the same pattern that you can see above.
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
Calcium-40 has 20 neutrons. This is calculated by subtracting the atomic number (which is 20 for calcium) from the atomic mass of the isotope, which in this case is 40.
40
the percent of a number is when you multiply the percentage by the number, for example: 8% of 40 40 x 0.08= 20% or 20% of 40 0.20 x 40=8%
8 / 0.2 = 40 Therefore, the number that 8 is 20 percent of is 40.
8 is 40% of 20
20 = zwanzig
8 / 0.4 = 20 Therefore, 8 is 40 percent of 20.
20 / 0.5 = 40 Therefore, 20 is 50 percent of 40.
These may help you answer your questions: 1, 2, 4, 5, 8, 10, 20 and 40.
20 less than 2 times a number is 40 = 2x - 20 = 40Let x = the number2 times a number = 2x20 less than = - 20is 40: =40Translating it into mathematical symbols :2x - 20 = 40
If half of the number is 20, then the number must be 2 * 20 = 40. Therefore three quarters of the number would be 3 * (40/4) = 30.