Answer:
20 units
Step-by-step explanation:
If v represents the sales volume, we are told that ...
170% × v = 34 units
We can find the value of v by dividing by its coefficient:
v = (34 units)/(1.70) = 20 units
Their actual sales volume was 20 units.
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Additional comment
In general, when you have the relation ...
part = fraction × whole
you can find the whole by dividing by its coefficient:
whole = part / fraction
Often, the fraction is expressed as a percent. The equivalent decimal is found by recognizing that 1% = 1/100 = 0.01. (% is shorthand for /100) Usually, you're told to move the decimal point two places: left to convert to a decimal, right to convert to a %.
