Kalamazoo7170 Kalamazoo7170

19-10-2017
Mathematics

contestada

Toni can carry up to 18 lb in her backpack. Her lunch weights 1 lb. Her gym clothes weight 2 lb. And her books (
b. weight 3 lb each. How many books can she carry in her backpack?

Respuesta :

vinzkumar10owgvm7 vinzkumar10owgvm7

19-10-2017

3lb + 3x=18
3-3+3x=18-3
3x=15
3x/3=15/3
x=5
she can carry 5 books

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