Another problem I can’t understand. Help plz?

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Answer 1 · 2017-12-06T13:25:14

Arrange the equation and get the answer.

#(0.3d-1)/3.33 = (0.84times15)/7 #

Further

#0.3d-1 = (12.6times3.33)/7#

#0.3d-1 = 42/7#

#0.3d-1=6#

#0.3d=6+1#

#0.3d=7#

#d=7/0.3#

#d=23.33#

or #d=23 1/3#