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Together, a racket and a ball cost a total of $1.10. The racket costs exactly $1 more than the ball. What does the ball cost?
Together, a racket and a ball cost a total of $1.10. The racket costs exactly $1 more than the ball. What does the ball cost?

Interesting fact

If you tied all the nerve tracts in an adult human body together from end to end, you'd get a thread that is 5.8 million kilometres in length – enough to swathe the earth 145 times!

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