Are the triangles to the right congruent? EXPLAIN YOUR ANSWER
2 answers:
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Remember that when you find 30% of the number you have to subtract the 30% from your original $90 because it is 30% off the original price.
Let Max be 
years.
Then Lenny is
years
When we subtract Max's age from Lenny's age we obtain
This is equal to
Putting all together we have
Then Lenny is
When we subtract Max's age from Lenny's age we obtain
This is equal to
Putting all together we have