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Regina picked a K12.50 shirt, K16.80 skirt, a pair of shoes marked at K23.60 and bag priced at K59.90. How much will Regina pay if she was offered at 30% discount?

Mathematics

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Here are the solutions for questions 9, 10, and 11.

9. Regina picked a K12.50 shirt, K16.80 skirt, a pair of shoes marked at K23.60 and bag priced at K59.90. How much will Regina pay if she was offered at 30% discount?

  1. Calculate the total original price of all items.

    Total Original Price=K12.50+K16.80+K23.60+K59.90\text{Total Original Price} = \text{K}12.50 + \text{K}16.80 + \text{K}23.60 + \text{K}59.90 Total Original Price=K112.80\text{Total Original Price} = \text{K}112.80

  2. Calculate the discount amount (30% of the total original price).

    Discount Amount=30%×K112.80\text{Discount Amount} = 30\% \times \text{K}112.80 Discount Amount=0.30×112.80=K33.84\text{Discount Amount} = 0.30 \times 112.80 = \text{K}33.84

  3. Subtract the discount amount from the total original price to find the final price Regina will pay.

    Final Price=Total Original Price−Discount Amount\text{Final Price} = \text{Total Original Price} - \text{Discount Amount} Final Price=K112.80−K33.84=K78.96\text{Final Price} = \text{K}112.80 - \text{K}33.84 = \text{K}78.96 K78.96\boxed{\text{K}78.96}

    10. After a 20% discount, a kilogram of Ramu steak costs K16.00. Find the original price.

  4. Determine the percentage of the original price that K16.00 represents.

    A 20% discount means the selling price is 100%−20%=80%100\% - 20\% = 80\% of the original price.

  5. Set up an equation to find the original price (PP).

    0.80×P=K16.000.80 \times P = \text{K}16.00

  6. Solve for PP.

    P=K16.000.80P = \frac{\text{K}16.00}{0.80} P=K20.00P = \text{K}20.00 K20.00\boxed{\text{K}20.00}

    11. Four men are to divide K500 equally among them. When the money was given, K20 was taken away. How much each did the four men receive?

  7. Calculate the amount of money remaining after K20 was taken away.

    Remaining Money=K500−K20\text{Remaining Money} = \text{K}500 - \text{K}20 Remaining Money=K480\text{Remaining Money} = \text{K}480

  8. Divide the remaining money equally among the four men.

    Amount per Man=K4804\text{Amount per Man} = \frac{\text{K}480}{4} Amount per Man=K120\text{Amount per Man} = \text{K}120 K120\boxed{\text{K}120}
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