Question

(0.3d−1)/(3 1/3) =0.84÷ 7 1/5

Answer 1

d=4.629

Explanation:

3 1/3=10/3

7 1/5=36/5

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(0.3d-1)/10/3=0.84/(36/5)

(0.3d-1)(3/10)=(0.84/1)(5/36)

(0.9d-3)/10=4.2/36

cross product

10*4.2=36(0.9d-3)

42=32.4d-108

32.4d=42+108

32.4d=150

d=150/32.4

d=4.629