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2. Alberto runs 3 miles each day for 7 days. n total miles 31 1 31 Part A Write an equation using the variable n to model how far he runs. Part B How many miles in all does he run? corsion on

User Badjer
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Part A

we have that


n=7\cdot(3(1)/(4))

Part B

Convert mixed number to an improper fraction

so

3 1/4=3+1/4=13/4 miles

substitute

n=7*(13/4)

n=91/4 miles

Convert to mixed number

91/4=88/4+3/4=22+3/4=22 3/4 miles

answer is n=22 3/4 miles

User Hein Htet Aung
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