# geometry

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a bank teller has a total of 124 bills in fives and tens. the total value of the money is \$840. how many of each kind does he have?

• geometry -

Let x = \$5 bills and y = \$10 bills

x + y = 124

x = 124-y

5x + 10y = 840

Substitute 124-y for x in third equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the last equation.

• algebra -

How does your problem relate to geometry?

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