Suppose 1 kg apple costs X yuan, and 1 kg pear costs Y yuan.
Can you list? 3x+5y=45
2x+6y=48
Solution: x=3.75 y=6.75.
therefore
? 1 1000 apples and 5 kg pears: 3.75+5*6.75=37.5 yuan. If there is no calculation error, the correct answer is this ~ ~ ~