exam Maths Puzzle Numerical Ability

The cost of mailing a postcard to the USA from France is eighteen cents less than twice the cost of mailing a postcard in Germany. The total cost to mail a postcard from each country is $2.04. Find the cost to mail a postcard in each country.

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exam Other Question

Given: segmant FC is parallel to segment ED
Segment FE is parallel to segment CD

Prove: triangle FEC is congruent to triangle DCE This is a worksheet. All it says is to factor 2p^2-9p+10. I have tried (2p-2)(p-5); (2p-2)(p-5); (2p-10)(p-1); and (2p-1)(p-10). Can you please show me what I am doing wrong.

Thank you