Exchanged 2214

In the table, the exchange rate list is an exchange office, but question marks replace some values. The exchange office exchanges money at the rates quoted and does not charge any other fees.

nákup prodej
1 EUR 26,20 CZK 28,00 CZK
1 GBP b=? CZK c=? CZK


1. How many euros (a =?) Will the customer receive it unless he exchanges CZK 4,200?

When a money changer buys £ 1,000 from a customer and then sells them all, his total profit is CZK 2,200. If, instead, the exchange sold 1,000 pounds and then exchanged all the torn crowns with another customer for pounds, he would earn 68.75 pounds.

2. For how many crowns does the exchange buy and sell 1 pound?

Correct answer:

a =  150 Eur
b =  32 CZK
c =  34.2 CZK

Step-by-step explanation:

a=4200/28 1000(cb)=2200 1000(cb)=68.75 b  a=4200/28 1000 (cb)=2200 1000 (cb)=68.75 b  28a=4200 1000b1000c=2200 1068.75b1000c=0  Pivot:Row2Row3 28a=4200 1068.75b1000c=0 1000b1000c=2200  Row31068.751000 Row2Row3 28a=4200 1068.75b1000c=0 64.327c=2200  c=64.327485382200=34.2 b=1068.750+1000c=1068.750+1000 34.2=32 a=284200=150  a=150 b=32 c=5171=34.2



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