Jan received -22 points on her exam. She got 11 questions wrong out of 50 questions. How much was Jan penalized for each wrong a
2 answers:
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Answer:
x=6.111....
Step-by-step explanation:
x-5=0.1(x+5)
distribute 0.1 into (x+5)
x-5=0.1x+0.5
subtract 0.1x on both sides
x-0.1x-5=0.5
combine like terms
0.9x-5=0.5
add -5 on both sides
0.9x=5.5
divide both sides by 0.9
x=55/9 or 6.11111.......
hope this helps