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2 years ago

11

Kahlia needs $468.75 to buy herself a new chromebook. She plans to wash 125 cars in her neigborhood to earn enough money to but

the chromebook. How much should she charge for each car she washes?

2 answers:

const2013 [10]2 years ago

6 0

She should charge $3.75 per car to the the chrome book

mixer [17]2 years ago

3 0

Answer:

468.75 / 125 = $3.75 per car wash.

Step-by-step explanation:

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7+3x-12x=3x+1
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So now it is much easier to figure out.
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3 years ago

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Step-by-step explanation:

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2 years ago

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3 years ago

A store was keeping track of how many bottles of hand sanitizer and soap bars were sold last week. A bottle of hand sanitizer co

agasfer [191]

Answer:

Hand sanitizer=135 bottles

Bar soap=83 bottles

Step-by-step explanation:

Let x represent the hand sanitizer and y the sop.

-Our problem can be expressed as:

$x+y=218\ \ \ \ \ ...i\\\\4.25x+2.15y=752.20\ \ \ \ \ ...ii$

#Make x the subject in i then substitute in ii to solve;

$x=218-y\\\\\therefore 4.25(218-y)+2.15y=752.20\\\\926.5-4.25y+2.15y=752.20\\\\174.3=2.1y\\\\y=83\\\\x=218-83=135$

Hence, 135 bottles of hand sanitizer and 83 bottles of bar soap were sold.

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3 years ago