Decimals - Word Problems


Jenny currently has 15.2015.20 dollars. She buys 33 chocolate bars that cost 2525 cents each, and 55 notebooks that cost 50 cents each. How much does she have left?

A candle has length 2424 cm. Once lit, the candle burns away at a constant rate of 0.20.2 cm per minute. What is the length of the candle (in cm) 1010 minutes after it is lit?

James bought 5 kg 5 \text{ kg} of candy for $8.00. \$ 8.00. If Susan wants to buy 1.3 kg 1.3 \text{ kg} of candy and pays an extra $0.01 \$ 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:

Weight of Package (kg)Price (dollars)Under 1 kg11 kg or more and under 3 kg1.53 kg or more and under 5 kg25 kg or more and under 10 kg2.510 kg or more3\begin{aligned} \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{aligned}

If Leonard sends a package which consists of one 0.5 kg0.5\text{ kg} pen, three 0.1 kg0.1\text{ kg} postcards, and two 0.8 kg0.8\text{ kg} booklets, how much will he have to pay at the post office?

What is the perimeter of a rectangle whose width is 3.33.3 and length is 6.3?6.3?


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