Jarak rumah Fajar dengan sekolah sejauh 1,7 km. Tepat di separuh jarak antara rumah dan sekolah terdapat toko alat tulis. Siang ini sepulang sekolah ia hendak singgah ke toko alat tulis. Diketahui posisi Fajar berada 0,42 km dari sekolah. Jarak yang masih harus Fajar tempuh untuk sampai di toko alat tulis adalah .... A. 0,43 mathrm(~km) B. 0,58 mathrm(~km) C. 0,85 mathrm(~km) D. 1,28 mathrm(~km)

The distance Fajar still needs to travel to reach the stationary store can be found by subtracting the distance Fajar is from the school from the total distance between the house and the school.Distance Fajar is from the school = 0.42 kmTotal distance between the house and the school = 1.7 kmDistance Fajar still needs to travel = Total distance between the house and the school - Distance Fajar is from the school= 1.7 km - 0.42 km= 1.28 kmSo, the answer is D. 1.28 km.