Question: Wyatt has 10 blue envelopes. He has 4 fewer yellow envelopes than blue envelopes. How many envelopes does Wyatt have in all? Think carefully first, then make a decision:
Wyatt has 10 - 4 = 6 yellow envelopes. The total number of envelopes he has is 10 blue + 6 yellow = 16 envelopes. So the answer is 16.