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The expression 100+20 m gives the volume of water in Eduardo's pool (in liters) after Eduardo spends 
m minutes filling his pool.
What is the volume of water in Eduardo's pool after he fills it for 5(1)/(4) minutes?

◻ liters

The expression 100+20m100+20m gives the volume of water in Eduardo's pool (in liters) after Eduardo spends \newlinemm minutes filling his pool.\newlineWhat is the volume of water in Eduardo's pool after he fills it for 5145\frac{1}{4} minutes?\newline\square liters

Full solution

Q. The expression 100+20m100+20m gives the volume of water in Eduardo's pool (in liters) after Eduardo spends \newlinemm minutes filling his pool.\newlineWhat is the volume of water in Eduardo's pool after he fills it for 5145\frac{1}{4} minutes?\newline\square liters
  1. Plug in 214\frac{21}{4}: Now, plug 214\frac{21}{4} into the expression for mm to find the volume.\newlineVolume = 100+20×(214)100 + 20 \times \left(\frac{21}{4}\right)
  2. Perform multiplication first: Perform the multiplication first according to the order of operations. 20×(21/4)=5×21=10520 \times (21 / 4) = 5 \times 21 = 105 liters.
  3. Add to base volume: Add the result to the base volume of the pool.\newlineVolume = 100+105=205100 + 105 = 205 liters.

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