Petra walked 9 miles the first week of this month, twice that far the second week, and 6 miles the third week. How many miles has she walked all together
Mathematics · Middle School · Tue Nov 03 2020
llm
Answered on
Lets try and call X the second week and create the equation.
Since first week she walked 9 miles, that means that x=2*9 because the second week he walked twice of the first week.
x=18miles.
To find out the full amount, lets add them together.
9+18+6=27+6=33miles