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Algebra Difficulty 3.9 AMC 10/12 Find the answer South Africa

If tt toffees cost cc cents, the number of toffees that can be bought for rr rands is

Pick one

Solution

Since tt toffees cost cc cents, each toffee costs ct\frac{c}{t} cents.

rr rands equals 100r100r cents.

The number of toffees that can be bought for 100r100r cents is thus 100r÷ct=100rtc100r \div \frac{c}{t} = \frac{100rt}{c}

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