vickimyrick1982 vickimyrick1982

16-08-2020
Mathematics

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Find the missing number in this proportion 10/15=?/21

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wegnerkolmp2741o wegnerkolmp2741o

16-08-2020

Answer:

x = 14

Step-by-step explanation:

Using cross products

10 x

----- = --------------

15 21

10*21 = 15x

210 = 15x

Divide each side by 15

210/15 =x

14 =x

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