Jenny currently has \(15.20\) dollars. She buys \(3\) chocolate bars that cost \(25\) cents each, and \(5\) notebooks that cost 50 cents each. How much does she have left?
A candle has length \(24\) cm. Once lit, the candle burns away at a constant rate of \(0.2\) cm per minute. What is the length of the candle (in cm) \(10\) minutes after it is lit?
James bought \( 5 \text{ kg} \) of candy for \( $ 8.00. \) If Susan wants to buy \( 1.3 \text{ kg} \) of candy and pays an extra \( $ 0.01 \) for the paper bag, how much should she pay?
The price for sending a package at the post office varies by the weight of the package according to the following table:
\[\begin{align} \text{Weight of Package (kg)} &&\text{Price (dollars)}\\ \text{Under 1 kg} &&\text{1}\\ \text{1 kg or more and under 3 kg} &&\text{1.5}\\ \text{3 kg or more and under 5 kg} &&\text{2}\\ \text{5 kg or more and under 10 kg} &&\text{2.5}\\ \text{10 kg or more} &&\text{3} \end{align}\]
If Leonard sends a package which consists of one \(0.5\text{ kg}\) pen, three \(0.1\text{ kg}\) postcards, and two \(0.8\text{ kg}\) booklets, how much will he have to pay at the post office?
What is the perimeter of a rectangle whose width is \(3.3\) and length is \(6.3?\)
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