Set Up an Equation and Solve the Following Problem

question 135

Short Answer

Set up an equation and solve the following problem. How many liters of a 30% salt solution must be mixed with 10 liters of a 80% salt solution to obtain a 50% salt solution? __________ liters

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Definitions:

Append Query

A type of database query used to add new records from one or more sources to the end of a target table without altering existing records.

Selected Records

The subset of records that have been marked or identified for further action or processing within a database or a dataset.

Existing Table

A table within a database or dataset that has been previously created and contains data.

Update Query

A command in SQL that modifies the values of specified fields in one or more records in a database table.