Direct variation: find the constant and missing values
The variables \(a\) and \(b\) have the following variation relationship
\[b \propto a\]
A known pair is \((7, 28)\) in the \((a,b)\) order
| a | \(4\) | \(7\) | \(11\) | \(15\) |
|---|---|---|---|---|
| b | ? | \(28\) | ? | \(60\) |
The variables \(a\) and \(b\) have the following variation relationship
A known pair is \((7, 28)\) in the \((a,b)\) order
| a | \(4\) | \(7\) | \(11\) | \(15\) |
|---|---|---|---|---|
| b | ? | \(28\) | ? | \(60\) |