I have a good record of guessing the right one so I would say #1.
A because if you look t is on +3 and r is on -41/2
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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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9/20 because if you count the red and blue out of the 20, theres 9. So you have a 9/20 chance it will hit red or blue.