Respuesta :
Step-by-step explanation:
Take pear trees be X
1/10+2/5+1/3+x=150 (Take LCM of 10,5,3=30)
3/30+12/30+10/30+30x/30= 150
25/30+30x/30=150
25+x=150/30
X=5-25=-20 are pear trees
hope it helps
1/10 of 150 is 15. 2/5 is 60. 1/3 is 50. All together that is 125 leaving is with 25 pear trees.