It does not mean anything at all. "Twice a number" is only one number while "the difference" must refer to two numbers, not just one.
The question cannot be answered because it is ambiguous. Does "twice the sum of 16 and a number" mean "2*16 + x" or does it mean "2*(16 + x)"
2 (N + 3)
This means that X=2N-3.
If you mean: 5, 10, 20, 40 then the following number is twice the previous number which will be 80
twice a number means a number times 2
Twice a number means to multiply the number by 2
It does not mean anything at all. "Twice a number" is only one number while "the difference" must refer to two numbers, not just one.
The question cannot be answered because it is ambiguous. Does "twice the sum of 16 and a number" mean "2*16 + x" or does it mean "2*(16 + x)"
2 (N + 3)
Fifty Two
Three more than twice a number.
An event of some sort that happens twice a year.
This means that X=2N-3.
If you mean: 5, 10, 20, 40 then the following number is twice the previous number which will be 80
sum - means addition less - means subtraction twice - means multiply by 2
18 is the only number (other than 0) that is twice the sum of its digits.