C. 2 17/20
D. 2 7/20
jawaban : A
cara :
2 5/8 - 20% =
= 21/8 - 20/100
= (21x25) - (20x2)
_______________
200
= 525 - 40
________
200
= 485/200
= 2 85/200 = 2 17/40 (A)
10. Hasil dari 2 1/7 x 14 adalah...
A. 29 C. 30