Answer:
D: 2f+15
Step-by-step explanation:
f is the number of stamps from France that Carlotta owns.
Twice this amount is 2f
Then, 15 more than twice this amount is 2f + 15, and this is the expression that represents the number of American stamps that Carlotta owns
Rational number is 7.8 irrational numbers is 7.7 and 7.9
Answer:
I'm not sure but... here you go