Estimate a 15% tip on a dinner bill of $32.14 by first rounding the bill amount to the nearest ten dollars.

Rounding $32.14 to the nearest ten dollars results in $30, as $32.14 is below $35. Multiplying $30 by 0.15 (15%) gives us $4.50. The tip is approximately $4.50, and the total is approximately $36.64.

if x decreases by 4 then y increases by 10

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its a trick question

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dogs love water, just turn on the hose and it will run in circles chasing the water all day : )