Five sevenths x+x= 120

12/7 X = 120

? x = 120 \ 12/7

? X = 120× 65438+7/02

? x=70

? 70× 5/7 =50 (tree)

There are 70 peach trees and 50 apricot trees in the orchard.

2. Solutions; Suppose there are x pieces of skirts in this batch.

12 X+ 1/6 X=48

? Quarter X=48

X=48×4

X= 192

Answer: These skirts 192.

3.( 1/75+ 1/50)×40- 1÷ 1/75

=(4/3- 1)÷ 1/75

= 1/3×75

=25 days

A: A has been away for 25 days.

Seek adoption ........