Graham puts $20 in his piggy bank every week. At the end of 39 weeks, he adds $100 to the piggy bank money and decides to do the
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Answer:
<em>Solution: x=5</em>
Step-by-step explanation:
<u>Equations</u>
This is an equation in the form of a proportion or ratio:
To solve it, we eliminate the denominators by multiplying by both of them.
Multiply by (x+3)(4x):
Simplify both sides:
Operate:
Simplify:
Solve for x:
Solution: x=5