Answer:
Step-by-step explanation:
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400x4 is 1 mile so 400x8 is 2 miles so 3,200 is 2 miles minus 400 because she already walked that so the answer is 2,800
Answer:
45
Step-by-step explanation:
year 1 : 18 in
every year after that he grows 3 in so 3 in so 3x9=27
then 27+18=45
Add all the numbers together:
100+50= 150
150+25= 175
175+12.5= 187.5
187.5 is the sum.
I hope this helps!