Write a proportion for the similar triangles, then solve for x. ATUV - ATBA
U
63
51
42
B
Y+6
51
12

y + 11 = (1/4)(x + 16)

step-by-step explanation:

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discount would be 35% off

step-by-step explanation:

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like:

it has to have an angle of 90 degrees