 
 <translate> My question is: A school does a yearly tree planting activity. This year, the 4th graders planted a total of 30 trees while 5th graders planted twice as many. The 6th graders planted 30 fewer than thrice the number of trees planted by the 5th graders. How many trees did they plant altogether? Your thoughts: <hau> Tambayata ita ce: Wata makaranta tana gudanar da aikin dasa bishiyoyi a kowace shekara. A wannan shekara, ɗaliban aji na huɗu sun dasa bishiyoyi 30 yayin da ɗaliban aji na biyar suka dasa sau biyu. 'Yan aji na shida sun dasa bishiyoyi 30 kasa da sau uku na adadin bishiyoyin da 'yan aji na biyar suka dasa. Guda nawa suka dasa? Abin da kake tunani: 