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The tax on a $70 item is $4.20. Find the tax on a S90 item.
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The tax on a $70 item is $4.20. Find the tax on a S90 item.

User Teena Nath Paul
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1 Answer

7 votes

Let's use a rule of three:

This way,


x=(90\cdot4.20)/(70)\Rightarrow x=5.40

The taxes on the $90 item are $5.40

The tax on a $70 item is $4.20. Find the tax on a S90 item.-example-1
User Yazfield
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