C= number of stamps collected by callie jenna and callie collect stamps. jenna has 20 less than twice the number of stamps that callie has. which expression represents the number of stamps that jenna has? a.2c + 20 b.2c - 20 c.20 - 2c d.20 + 2c

We have been given that C represents number of stamps collected by Callie.

Therefore, twice the number of stamps that Callie collects = 2C

Now, it has been given that Jenna has 20 less than twice the number of stamps that Callie has.

Therefore, the number of stamps that Jenna has is given  by

Therefore, the expression 2C - 20 represents the number of stamps that Jenna has.

b is the correct option.

b

step-by-step explanation:

the word superfluous means unnecessary