Rate1 = Rate2, I suppose.
A proportion
An equation states that the two quantities on each side of the equal sign are equal.
Equality. If they are ALWAYS equal then the equation is an identity.
Proportion
proportion
A proportion
It is called a proportion.
It is called a proportion.
An equation that states that two ratios are equal is a proportion.
An equation states that the two quantities on each side of the equal sign are equal.
Never. By definition, the two sides of an equation are equal.
Equality. If they are ALWAYS equal then the equation is an identity.
Proportion
proportion
That's an equation.
An equation is two expessions that have equal values
Two expressions that equal each other is an equation