Cho had $2.85 in nickels and $3.40 in dimes. Then she gave an equal number of her nickels and dimes to her brother. Now Cho has
the same amount of money in nickels as in dimes.
The equation 285−5x=340−10x represents the situation.
Which does the variable x represent?
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2 answers:
Answer:
<h2>x = 11</h2><h2 />
Step-by-step explanation:
The equation represents as:
285 − 5x = 340 − 10x
combine similar terms:
285 - 340 = 5x - 10x
simplify:
-55 = -5x
divide -5 on both sides:
x = 11
285-5x=340-10x
285-5x-(340-10x)=0
-5x-(-10x+340)+285=0
-5x+10x-340+285=0
5x-55=0
5x=55
x=55/5
x=11
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Answer:
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Step-by-step explanation:
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m=-20/8
simplify
m=-5/2
Length = width +6
L * (L - 6) = 135
L^2 - 6L = 135
L^2 - 6L -135 = 0
Length = 15
Width = 9
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Answer : C=50*17=850
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