Substitution #1 2-8y+7y=4
1 answer:
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<span> For this case we can make the following rule of three:
2.99 ----------> 100%
x --------------> 7%
From here, we clear the value of x.
We have then:
</span>
<span> Rewriting the expression we have:
</span>
<span>
Answer:
The sales taxes are:
x = 0.2093 $</span>
2.99 ----------> 100%
x --------------> 7%
From here, we clear the value of x.
We have then:
</span>
<span> Rewriting the expression we have:
</span>
Answer:
The sales taxes are:
x = 0.2093 $</span>
