Write an expression for the following a. One more than twice a number b. A number decreased by 6 c. Two-thirds of a number
1 answer:
You might be interested in
The decimal representation of any number is a linear combination of powers of 10. In other words, given a number like 123.456, we can expand it as
for any
, so the above is the same as
Similarly, we can write
Now it's a question of reducing the fraction as much as possible. We have so