a = 192 min 3*60+12 b = 40 m 0,04*1000 c = 8,5 g 8500/1000 d = 8750 mL 8,75*1000 e = 2,032 cm 4*(1/5)*2,54 f = 1h 6min 40s h = 4000/60/60 = 1,111... min = (1,111-1)x60 = 6,666... s = (6,666-6)*60= 40 g = 37,20 m 3720/100 h = 80 min 2*(2/3)*60 i = 22,5 kg 1,5*15
7- a) 3h 12 min b) 0,04 km 1h -----60min 1 km -----1000m 3h ----- x 0,04km --- y x = 180 R: 40m R: 180 + 12 = 192 min c) 8500 mg d) 8,75 l 1g ---- 1000mg 1 l ---------1000ml z -----8500mg 8,75l ------- q 8500 = 1000 z z = 8,5 g q = 8750 ml R: 8,5 g R: 8750 ml e) 4[latex] \frac{1}{5} [/latex] pol f) 4000 s 1 pol------2,54 cm 1 hr - 3600 s 1min- 60s 0,8 pol ----- e x --- 3600 s y ----360s x = 1 hr 60y= 360 e = 2,032 cm y= 6 min z = 400-360 = 40 s R: 2,032 cm R: 1hr 6min 40 s g) 3720 cm h) [latex] 2\frac{2}{3} h[/latex] 1 m ----100cm 1hr ------ 60min x ------ 3720 cm 1,33 hr ---- z 100x = 3720 z = 80 min x = 37,2 m R: 37,2 m R: 80 min i) 1,5 arroba 1 arroba ---15 kg 1,5 arroba - z z = 22,5 kg R: 22,5 kg