PLEASE HELP ME!!! At the North Fair you earn 9 points for each bull's eye you hit, but you lose 7 points for each miss. After 25 tries, Linda has 33 points. How many hits did she have?
2 answers:
Answer:2
Step-by-step explanation:
Let h represent number of hits. Let m represent number of misses. 1) 9h - 7m = 33 2) h - m = 2 2a) h = 2 + m Sub 2a) into 1) 9*(2+m) - 7m = 33 18 + 9m - 7m = 33 2m = 15 m = 7.5 Sub m = 7.5 into 2a) h = 2+ 7.5 h = 9.5 Though this does work you can’t exactly shoot a half miss or hit so h=13 and m=12 works as well... 9(13)-7(12)=33 117- 84=33
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