Book Maths Puzzle Algebra

Two pipes are bound tightly rogether with a very thin wire. The radii of the pipes are 2 inches and 6 inches. Neglecting any practical allowances for securing the wire, etc., deter

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Book Other Question

What is 9%of 25 could you please show me step by step how to find the answer.

9 1/2
+ 2 3/4
________________ What about this one what is 1/8 of 20 = Heather's age is 3 years more than one half her cousin Rachel's age. If the difference in their ages is less than 4 years, what is the oldest that Rachel can be in years?