### Brain Teasers

# Money Math

Cryptography
In Cryptography teasers, a phrase or expressions has been encoded in some way (frequently by replacing letters with other letters). You need to figure out the encoding method and then decode the message to find the answer.

Professor Abacus, leading authority in the field of cryptomathology, has just published a paper on the American monetary system. In the paper, he proved that there is a mathematical relationship between DOLLAR and QUARTER. To convert from dollars to quarters, multiply the number of dollars by 4. Make the following equation correct by replacing each letter with a numeral (0 through 9). Each letter can represent only one numeral, and each numeral can only be represented by one letter. There are no leading 0's. Since there are only nine different letters, one numeral will not be used. There is only one solution.

DOLLAR * 4 = QUARTER

DOLLAR * 4 = QUARTER

### Answer

457730 * 4 = 1830920Hide Answer Show Answer

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