Question

related questions: lesson 6: common algebra word problems

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q. a cashier handed morgan 12 bills. some were \\$5 bills, and some were \\$10 bills. if the bills totaled \\$100, how many were \\$5 bills?

Explanation:

Define variables for the bills

Let \(f\) represent the number of \$5 bills.
Let \(t\) represent the number of \$10 bills.

Set up the system of equations

Using the Systems of Equations knowledge point

$$
LATEXBLOCK0
$$

Solve the system using elimination

Using the Elimination Method knowledge point

$$
LATEXBLOCK1
$$

Find the number of five-dollar bills

Using the Substitution Method knowledge point

$$
LATEXBLOCK2
$$

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