Estimate the amount of the tip by rounding the bill to the nearest dollar before calculating.
$20 %$ tip on a bill of $$ 29.77$
The amount of the tip is approximately $$ $$

Answer

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Answer

$Tip amount: $ 6$

Steps

Step 1 ： $Round 29.77 to nearest dollar: 30$

Step 2 ： $Calculate 20 % of 30 : 0.20 \times 30$

Step 3 ： $Tip amount: $ 6$