Answer :
The first bottle holds 10 ounces of water.
How to calculate water volume of first bottle?
We are given that the first bottle holds z ounces of water and the second one holds 16 ounces which is [tex]\frac{8}{5}[/tex] times as much water.
Multiplicatiοn is οne οf the fοur basic arithmetic οperatiοns, alοngside additiοn, subtractiοn, and divisiοn. In math, multiply means the repeated additiοn οf grοups οf equal sizes.
So, using the multiplication operation, we get
⇒ [tex]\frac{8}{5}[/tex] * z = 16
⇒ z = 16 * [tex]\frac{5}{8}[/tex]
⇒ z = 2 * 5
⇒ z = 10
Hence, the first bottle holds 10 ounces of water.
Learn more about multiplication operation from the given link
https://brainly.com/question/28335468
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