Susie paid $50.00 for skates. What was the original cost of the skates if the discount was 30% ? a) $83.?

next time, learn post questions in correct category and, more importantly, own homework. isn't hard.

anyway, answer d. i'll set out steps maybe can gain understanding of process involved , able next time.
1. form equation - let x=original cost.
x-(3/10)x=50
2. expand:
x-(3/10)x=50 --> 7x/10=50
3. solve x:
7x=500
x=7/500
=71.42857

susie paid $50.00 skates. original cost of skates if discount 30% ?


a) $83.50
b) $80.00
c) $62.50
d) $71.43

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