Answer:
9,600,000,000
Step-by-step explanation:
I am not sure it right but I hope it's helpful.
X+12=26, x being the amount spent by Richard <span />
Answer:
Option (3)
Step-by-step explanation:
"If two triangles are similar, their corresponding sides are proportional."
We will check each proportionality ratio given in the options for the given property,
Option (1),



But
.
Therefore, this option is not the answer.
Option (2),



But
,
Therefore, this option is not the option.
Option (3),



Therefore, this option is the answer.
Option (4),


But, 
Therefore, this is not the correct option.
Answer:
Step-by-step explanation: