Estimate a
15%
tip on a dinner bill of
$89.58
by first rounding the bill amount to the nearest ten dollars.

The function models the number of accidents

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?

Miguel has one foot of string. he cuts the string into fourths. how many inches is each piece of string?