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After the bake sale, Lora had 24 bills, some were $10, and rest were $5 bills. The total amount of money was $140. How many of each denomination did she have? Define your variables. Write the two equations and solve.

Respuesta :

turtleoogway
140 = 10x + 5y
24 = x + y

x = 4
y = 20

x is the number of $10 bills   (So 4 $10 bills)
y is the number of $5 bills     (So 20 $5 bills)

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