Answer:
1. 2/3
2. 15/2 (7.5)
Step-by-step explanation:
1. Scale down from larger to smaller:
6/9 = 4/6 = 2/3
ΔDEF ⇒ ΔABC 
2.
or 7.5
I hope this help you
15 is the answer it is correct can
T = large candles and s = small candles
3t + 5s = 6.40
4t + 6s = 7.50
^^ this would be ur system of equations