Mathematics, 03.12.2019 18:31 viper1325

For her vacation mrs. andrews bought $300 worth of traveler's checks in $10 and $20 denominations. if she has 22 travelers checks in all, how many of each denomination does she have?

let x represent the number of $10 traveler's checks she has. which expression represents the value of the $20 traveler's checks she has?

20 x
20(22 - x)
20(22)

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For her vacation mrs. andrews bought $300 worth of traveler's checks in $10 and $20 denominations. i...