The difference between a and b is 10. The number a is 4 more than 3 times the number b. Which of the following pairs of equation
s could be used to find the values of aand b? (A) b−a=10 a=3b+4 (B) a−b=10 b=3a+4 (C) a b =10 a=3b+4 (D) a−b=10 a=3b+4 (E) b−a=10 3b=a+4
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A person standing on a moving walkway travels 60 feet in 20 seconds. What equation represents this relationship? How many feet will person travel 10 seconds?