One and three tenths decreased by 4
1 answer:
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The area of the square: 
where "a" is a length of side.
Therefore:
where "a" is a length of side.
Therefore:
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Since you can earn 28 dollars by washing 7 cars, and you want to find the amount money you can make by washing 6 cars.
First, you should find the amount of money you can make by washing 1 car (unit rate).
To get from 7 to 1, you have to divide 7 by 7; 7 ÷ 7 = 1.
Do the same thing to the numerator; 28 ÷ 7 = 4.
Now you know how much you make by washing 1 car, you need to find how much you make by washing 6 cars.
To get from 1 to 6, you multiply by 6. 1 times 6 equals 6.
Now do the same thing to the numerator; 4 × 6 = 24.
You can earn 24 dollars by washing 6 cars.
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