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Tju [1.3M]
3 years ago
10

(i) Challenge: Thembi received 8% discount on an item which cost

Mathematics
1 answer:
Paul [167]3 years ago
8 0

Answer:

x = 0.25

Step-by-step explanation:

Given

Cost\ Price = 6 + x

Discount =8\%

Amount\ Paid = R6 - x

Required

Find x

First, we calculate the amount paid in terms of the cost price.

This is calculated using:

Amount\ Paid = Cost\ Price * (100\% - Discount)

Amount\ Paid = (6 + x) * (100\% - 8\%)

Amount\ Paid = (6 + x) * 92\%

Express as decimal

Amount\ Paid = (6 + x) * 0.92

Open bracket

Amount\ Paid = 5.52 + 0.92x

So, we have:

Amount\ Paid = 5.52 + 0.92x and

Amount\ Paid = R6 - x ---- given

Equate both

6 - x = 5.52 + 0.92x

Collect like terms

- x -0.92x= 5.52-6

-1.92x= -0.48

1.92x= 0.48

Solve for x

x = \frac{0.48}{1.92}

x = 0.25

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