The earbuds cost 50 dollars each
D
An acute angle is less than 90 degrees
Given :
Ruben put an empty cup underneath a leaking faucet.
After 1 ½ hours, Ruben had collected ¼ cup of water.
To Find :
The rate, in cups per hour, at which the water is leaking from the faucet.
Solution :
Rate in which cup is filling with water.
Therefore, the rate is 0.167 cup/hour.