Question

zad 1 a) 33 1/3 % to 18dm b)43% to 107,5 km c)125% to 2h 30min d)175% to 3m 50cm e)210% to 3h 30min f)1500% to 2kg 75dag zad2 a)3% to 2,4kg 7% to 63kg 8% to 72kg b)150% to 450kg 220% to 66km 110% to 99km c)35% to 105m 55% to 110m 15% to 300m Jakby co ksiazka to Matematyka wokół nas klasa 1gim (str.40)

Answer 1

33 1/3% to 18 dm
33,3x=1800 /:33,3
x≈54,06

43% to 107,5 km

100%=x

 43x= 10750

x= 250 km

 

125%  =2 h 30 min

125%=2,5h

100%=x

 125x=250

x=2 h

175% to 3 m 50 cm

175%=3,5 m

100%=x

 175x= 350

x=2 m

1500%- 2,75 kg

     100% - x

 x= 100%* 275dag / 1500%

   x= 18 1/3 dag

2zad

 

3% to 2,4 kg

3%-2,4kg

100%-x kg

x=80kg

7% to 63kg

7%-63kg

100%-x kg

x=900kg

8% to 72 kg

8%-72kg

100%-x kg

x=900kg

150% to 450 km

150%-450km

100%-x km

x=300km

220% to 66 km

220%-66km

100%-x km

x=30km

110% to 99 km

110%-99km

100%-x km

x=90km

 

 

 

33% to 105m

33%-105m

100%-x m

x=318, (18)m

55% to 110 m

55%-110m

100%-x m

x=200m

15% to 300 m

15%-300m

100%-x m

x=2000m