Question

please give answer correct and give all questions answer​

Answer 1

Answer:

19.

(a)selling price = 4375

(b)selling price = 4380

20.

-9/7 = -1.28

solution is attached

21.

18*(-2/3) = -36/3 = -12

(12/5)*(25/4) = 300/20 = 15

22.

profit = 465 - 400 = Rs 65

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