Question

increase: 1)12by of 20percente. 2) 75 cm by 4 percente. 3) 400ml by 100percente

Answer 1

1,. 20 % of 12 = 2.4
so answer is 12 + 2.4 ÷ 14.4

2,. 4% of 75 = 3
so answer is 75 + 4 = 79

3,. 100% of 400 = 400
so answer is 400 + 400 = 800

Answer 2

hye
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Increase: 1)12by of 20percente

=>12% *20

=>12/100 *20

=>240/100

=>2.4

=>12 +2.4

=>14.4

=> 2) 75 cm by 4 percent

=> 75% *4

=>75/100 *4

=>300/100

=>3

=>75 +3

=>78cm


 3) 400ml by 100percente

=>400% *100

=>400/100 *100

=>40000/100

=>400

=>400 +400

=>800 ml

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hope it helps u............... :)