What is the concentration of the syrup if you add 80g of sugar to 400g of 20% syrup?

1) 400 g of 20% syrup contains sugar:

400 g – 100%,

x g – 20%,

x = 80 g.

2) We added 80 g of sugar, which means that the total is 160 g.

3) C = (160/400) * 100% = 40%.

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