Question
Find the total weight 4 dumbells if one dumbell weighs 800 grams.
Answer: Option D
:
D
Weight of 1 dumbbell=800g⇒Weight of 4 dumbbells=800g×4
=3200g
Since the options are in kilograms, we need to convert 3200 g to kg.
When we convert a smaller unit (g) to a larger unit (kg), we divide the given measure by the conversion factor.
1kg=1000g
⇒3200g=32001000kg
=3.2kg
Thus, the weight of 4 dumbbells is 3.2 kg.
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:
D
Weight of 1 dumbbell=800g⇒Weight of 4 dumbbells=800g×4
=3200g
Since the options are in kilograms, we need to convert 3200 g to kg.
When we convert a smaller unit (g) to a larger unit (kg), we divide the given measure by the conversion factor.
1kg=1000g
⇒3200g=32001000kg
=3.2kg
Thus, the weight of 4 dumbbells is 3.2 kg.
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