John’s mother gave him some money to buy some brushes. If he bought 7 brushes, he would need $2 more. If he bought 10 brushes, he would need $26 more. How much did John have?
$26 - $2 = $24
10 - 7 = 3
3 brushes —> $24
1 brush —> $24 / $3 = $8
7 brushes —> 7 * $8 = $56
$56 - $2 = $54
John had $54.