Question

if you know that then please rply me show this with method and statement if enyone answer anything else then I will report the answers those who answered correctly and 1st i mark them as brainleast please answer fast ​

Answer 1

Answer:

19. (b) 50

20. (d)75

Explanation:

19) 2/5 × 1/2x =10

1/5x = 10

x= 50

20) 4/7 × 49/100x = 21

7/25x = 21

x = (21×25)/7

. x = 75

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