Lina went to three different bookstores to buy novels. She spent $125.45 in the first store, $248.70 in the second, and $89.95 in the third. Later, she paid $15.80 for shipping. How much money did Lina spend in total?
$479.90
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10
123.4 + 76.6 =
200.0
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20
After filling her carโs fuel tank with 48.75 liters of petrol, Rina drove for several days. When she checked again, only 17.68 liters remained. How many liters of petrol did she use?