YOU SAID:

In order to bake a cake for twenty people, a recipe meant for four must be quintupled.

INTO JAPANESE

20人でケーキを焼くには、4人分のレシピを5倍にする必要があります。

BACK INTO ENGLISH

To bake a cake for 20 people, you need to multiply the recipe for 4 people by 5 times.

INTO JAPANESE

20人分のケーキを焼くには、4人分のレシピに5倍する必要があります。

BACK INTO ENGLISH

To bake a cake for 20 people, you need to multiply the recipe for 4 people by 5 times.