The cost of a DVD box set increased from $30 to $35. A student says that this represents a 5% increase in the price. Explain the
student’s error. What is the actual percent increase?
1 answer:
Answer:
17%
Step-by-step explanation:
$30-100%
$35-x%
x%=35*100/30
x%=116.6%
116.6%-100%=16.6%~17%
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First plane: y = 500x + 1000
Second plane: y = 550x
Distance: 3100 = 500x + 1000 + 550x
2100 = 1050x
x = 2
-9/4 divided by (-2/3). (The second one)
1/2a - 4
Add 4 to both sides.
1/2a = 4
Divide both sides by 1/2.
a = 8
the answer is A.) f(x)=-2/3x-11
C is the answer
I mean x-50 is self explanatory
after that multiply by .5 which is 50%
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