Answer:
$5,000
Step-by-step explanation:
Create a proportion:
11/100 = 550/x
100(550)/11
5,000= x
1 2 4 8 16 32 64 128 256 512 1024. each one is 2 times the previous
$1.26 per yard. See photo for explanation.
If you substitute a variable for each blank, for example x*2+x*3 you get 5x=12, which can then be solved to get that x=12/5, so 12/5 is the answer.