Division must be carried out before multiplication. So, 15/100*6 = (15/100)*6 = 0.15*6 = 9
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To work out 10%, just divide it by 10. To work out 1%, just divide it by 100. To work out 16%, just A) Work out 10% (divide by 10), then work out 6% (divide by 100, times by 6) and add the two together B) Divide by 100, times the result by 16.This applies for all numbers. To work out 90%, just A) Work out 10% and take it away B) Divide by 100, times the result by 90 C) Work out 10%, times by 9.
First divide your number by 100 Then times that number by 6 400/100=4 4x6=24 Simples!
9000. I calculated it this way; 15 *600 is 3 times 5 times 6 times 100. 5*6 = 30. 30*3 = 90 90*100 = 9000
The six times tables are any and all multiples of 6. Therefore, any numbers that divide evenly by 6 will be in the six times tables, and any that don't won't be. 90/6 = 15, and so 90 does divide evenly by 6. Thus, 90 is in the six times tables.
It is: 15,000,000/6,000,000,000 times 100 = 0.25%