Answer: 2.1 Pints
Step-by-step explanation:
Given
Areli uses 8.4 Pints of blue and White Paint
If the three-fourth is blue paint i.e.
[tex]\Rightarrow 8.4\times \dfrac{3}{4}=6.3\ \text{Pints}[/tex]
The remaining one-fourth is White Paint i.e.
[tex]\Rightarrow 8.4\times \dfrac{1}{4}=2.1\ \text{Pints}[/tex]