Maths Olympiad Prep

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Algebra Difficulty 4.1 AIME Find the answer South Africa

I have R4. How many sweets can I buy if one sweet costs 40c?

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

Solution

Since total cost = number of sweets × cost of each sweet, it follows that the number of sweets is R4.00÷40c=R4.00÷R0.40=4÷0.4=10\text{R}4.00 \div 40\text{c} = \text{R}4.00 \div \text{R}0.40 = 4 \div 0.4 = 10.

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