Answer:
Rico has 274 stickers
Gabby has 374 stickers
Thomas has 364 stickers
Explanation:
To solve you need to work step by step, write down what you know.
Rico has 274 and Gabby has 100 more. So 274 + 100 = 374
Gabby has 374
Rico has 274
Now Thomas has 10 less than Gabby and gabby has 374. 374 - 10 = 364
Thomas has 364
Hope that helps and have a great day!