Mark has $20. He spends some money on a book and is left with $12. How much did he spend?(1 point)

Responses

$12
$12

$8
$8

$5
$5

$20
$20
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1 answer

Mark originally had $20 and is left with $12 after spending some money. To find out how much he spent, we can subtract his remaining amount from his original amount:

$20 - $12 = $8

So, Mark spent $8.