Answer :
Sandy spent $21 on a drink ($3) and 6 candy bars
$21 - $3 = $18
Sandy spent $21 on a drink ($3) and 6 candy bars ($18)
$18/ 6 candy bars = $3
Each candy bar cost $3
$21 - $3 = $18
Sandy spent $21 on a drink ($3) and 6 candy bars ($18)
$18/ 6 candy bars = $3
Each candy bar cost $3