Some penguins were playing on the ice. Ten dove into the water. A few seconds later, six jumped back onto the ice. Now there are 12 penguins on the ice. How many penguins were on the ice to start?
1 answer:
Answer:
16
Step-by-step explanation:
if ten dove int the water and 6 came back up there would be 4 left in the water.If there are now 12 penguins on the ice then there were 16 penguins to begin with.
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Answer:
200 units.
10 minutes.
Step-by-step explanation:
Distance = 100 - (-100)
= 100 + 100
= 200 units.
Speed = distance / time
20 = 200/ t
t = 200/20
= 10 minutes.