Answer:
<h2><u><em>
x = 21</em></u></h2>
Step-by-step explanation:
5x - 12 = 3x + 30
5x - 3x = 30 + 12
2x = 42
x = 21
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check
5 * 21 - 12 = 3 * 21 + 30
93 = 93
the answer is good
Cracked:all=3:4
3/4=x/28
cross multiply or times both sides by 28
3*7=x
21=x
21 are cracked (bad deal)
Answer:
34.65
Step-by-step explanation:
Wish I could but forgot man sorry
Cougars mean=14
Hawks mean=21
Hawks have a greater average the average is greater by 7 points