Answer:
[tex]a = 7.5[/tex]
Step-by-step explanation:
Given
[tex]\frac{10}{14} = \frac{a}{10.5}[/tex]
Required
The value of a
Cross multiply
[tex]a * 14 =10 * 10.5[/tex]
Make a the subject
[tex]a = \frac{10 * 10.5}{14}[/tex]
[tex]a = \frac{105}{14}[/tex]
