
Half as many, much, etc. again
Quantitative Increase
Use when you mean something has increased by 50%.

Last year we sold 200 units, but this year we sold half as many again.
Proportion Misunderstanding
Remember, it's not doubling the amount - it’s adding 50% more.

Instead of 2 liters, he bought half as much again, so he got 3 liters.
Not Multiplicative
It's additive; you're putting 50% more on top of the original, not multiplying by 1.5.

They didn't double the recipe; they just used half as much again of each ingredient.
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