The postage fee for sending a document with a mass of 190 g can be calculated as follows:

1. The first 100 g costs 60¢.
2. The remaining weight is 190 g - 100 g = 90 g.
3. This 90 g falls into two "additional 50 g or part thereof" categories, because 90 g is more than 50 g but less than 100 g.
4. Each additional 50 g or part thereof costs 40¢, so two of these will cost 2 * 40¢ = 80¢.
5. Adding the cost for the first 100 g and the additional weight gives a total postage fee of 60¢ + 80¢ = $1.40.

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The postage fee for sending a document with a mass of 190 g can be calculated as follows:

1. The first 100 g costs 60¢.
2. The remaining weight is 190 g - 100 g = 90 g.
3. This 90 g falls into two "additional 50 g or part thereof" categories, because 90 g is more than 50 g but less than 100 g.
4. Each additional 50 g or part thereof costs 40¢, so two of these will cost 2 * 40¢ = 80¢.
5. Adding the cost for the first 100 g and the additional weight gives a total postage fee of 60¢ + 80¢ = $1.40.

Knowee AI · Accepted Answer

The postage fee for sending a document with a mass of 190 g can be calculated as follows:

1. The first 100 g costs 60¢.
2. The remaining weight is 190 g - 100 g = 90 g.
3. This 90 g falls into two "additional 50 g or part thereof" categories, because 90 g is more than 50 g but less than 100 g.
4. Each additional 50 g or part thereof costs 40¢, so two of these will cost 2 * 40¢ = 80¢.
5. Adding the cost for the first 100 g and the additional weight gives a total postage fee of 60¢ + 80¢ = $1.40.

The table below shows the postage rates for sending letters and documents within Singapore using a standard-sized envelope. Mass step up toPostage charge20 g 30¢40 g45¢100 g60¢Every additional 50 g or part thereof40¢ What is the postage fee for sending a document with a mass of 190 g?

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