Answer:
2x-6
Step-by-step explanation:
twice a number is

6 less than twice a number is
6 less than 2x and that is

4.07 * 100 = 407%
407 / 100 = 4.07
The letter A represents the smallest value in the data collection, which would be 17
Make variables for each
L = library books
P = telephone books
T = text books
so.... L+P = 2T
now we have to fill in numbers