Question

Lindsay has 9 blue envelopes. She has 7 fewer yellow envelopes than blue envelopes. She has 4 times as many green envelopes as yellow envelopes. How many envelopes does Lindsay have in all?

Answer 1

She has 19 total. 

Start out with 9 blue. 

7 fewer yellow would be 2 yellow. 

4 times as many green as yellow is 2 times 4 which is 8. 

9+2= 11

11+8= 19

Answer 2

19 envelopes in all

9 blue envelopes

2 yellow envelopes

8 green envelopes