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20 17 Xiaoshengchu Mathematics Necessary Application Problem (44)
Mother bought 3 Jin of apples and pears and paid 20 yuan to find 7.4 yuan. How much are apples and pears per kilogram of 2.4 yuan?

Think about solving problems:

Divide the money spent by 3 to get the total money of 1kg apple and 1kg pear. If you subtract 1 kg of apples from this total amount, it is the amount of money per kg of pears.

Answer:

Solution: (20-7.4) ÷ 3-2.4 =12.6 ÷ 3-2.4 = 4.2-2.4 =1.8 (yuan)

A: Per kilogram of pear 1.8 yuan.