book Maths Puzzle Numerical Ability

find a number such that 25 more than half the number is 60.

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book Other Question

Help. I do not understand how to do this. My Algebra book says to use a graphing calculator. Solve the circumference formula for r. If Y1 is the circumference, what expression Find the distance between the points (3,17) and (-2,5)

a: 13
b: sq. rt. of 145
c: sq. rt. of 458
d: 3 sq rt. of 51
e: none of these