laurenredding laurenredding

21-02-2019
Mathematics

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what is 15 increased by 20%

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Аноним Аноним

21-02-2019

Answer:

18

Step-by-step explanation:

New value =

15 + Percentage increase =

15 + (20% × 15) =

15 + 20% × 15 =

(1 + 20%) × 15 =

(100% + 20%) × 15 =

120% × 15 =

120 ÷ 100 × 15 =

120 × 15 ÷ 100 =

1,800 ÷ 100 =

18;

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