Answer:
i did a wild guess and i got the answer is 2
Step-by-step explanation:
2*7=14
14-4=10
10-2=8
Answer:
187. 5
Step-by-step explanation:
If 2h=75km
Then 5h=?(if more, Less divide)
5÷2×75km =187.5km
Answer:
5700000
Step-by-step explanation:
Answer:
Step-by-step explanation:
120 grams half life at 45 days would be 60 then half life of 60 in another 45 days (90 total) should be 30 grams