Voting Question: WEIGHT LOSS! PLEASE HELP ME!?

Okay, I have 3 weeks to slim down for a vacation.
I am 13 years old, 5'4", and 137lbs.
I'm chubby and I want to lose my 'fat'.
Below I have typed out my 3 week Diet & Workout plan.
Please tell me if it will work!
Goal weight: 120-127lbs.

DIET PLAN

Breakfast:
-Wu-Long (Oolong) tea
-Oatmeal Raisin Cereal OR 2 slices toast and an apple
(WHISH IS BETTER FOR WEIGHT LOSS?)
-and a glass of grapefruit juice.

Lunch:
-(Anything Healthy) Salad with carrots and 2tbls Italian dressing OR Turkey on whole wheat, OR can of tuna (plain) with 1 slice toast, etc.
-Water

Dinner:
-(Anything Healthy) I don't know what I'll be having but i will be sure that it's healthy!
-Wu-Long (Oolong) tea

(WATER ALL DAYS / 8 GLASSES AT LEAST)

WORKOUT PLAN

Warm-ups:

Jumping Jacks 15 / 3 sets
Pattern: 1, 2, 3, 1 / 1, 2, 3, 2 / 1, 2, 3, 3 / etc. (3 for every one)

Stretching for 10 minutes

Push-ups, crunches, sit-ups, dips 15 / 3 sets

Actual Workouts:

Anything on EOD (Exercise On Demand - Bright House Channel 353)
for an hour.

Biking, running, or power walking with a friend for an hour.

OKAY SO WHAT DO YOU THINK!?!?

DO YOU THINK I CAN REACH MY GOAL IN TIME FOR MY VACATION???

PLEASE GIVE YOUR HONEST OPINION!!!

THANKS SO MUCH!