Graham puts $20 in his piggy bank every week. at the end of 39 weeks, he adds $100 to the piggy bank money and decides to do the following: buy some clothes and sports gear for $314.23 buy his mom a present for $123 divide the rest of the money equally among his three brothers use a calculator to find the amount of money each brother will get. $147.59
$20*39= $780+$100= $880
Subtract $314.23, and $123 by $880
$880-$314.23-$123= $442.27
Divide $442.27 by 3.
$442.27/3 = $147.59