Estimate 10% of $92.86.
Hint
Round it down to $90, then move the decimal one place to the left.
Answer
About $9.00
Estimate 50% of $131.90.
Take half of a nearby round number.
About $65.00
Estimate 25% of $76.75.
Round to a nearby number that's divisible by 4.
About $20.00
Estimate 20% of $14.09.
Round to $14, then double 10% of that.
About $2.80
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