In AKLM, the measure of ZM=90°, the measure of ZL=76°, and LM = 99 feet. Find
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Answer:
60 tickets for children were sold
Step-by-step explanation:
Let x be the number of sold children's tickets and let y be the number of adult tickets sold, then we can pose the following equations.
(i) Because 132 tickets were sold in total
(ii) because the total of $ obtained by sales was 931.20.
We must clear x. Then we substitute (i) in (ii)
60 tickets for children were sold
Using the Laws of Cosine, we obtain 
, which c approximately equals 153.44. So Line AB ≈ 153.44 meters.