jawablah dgn caranya

byk pita yg dipunyai = 35 cm + 0.5m
= 35 cm + 50 cm
= 85 cm

byk pita yg digunakan = 720 mm = 72 cm

sisa pita = 85-72
= 13 cm (a)

35+50=85
720÷10=85-72=13 (A)