Respuesta :
Add up the number of hours she works (7+4+9)
Divide the number of hours spent watering plants (7) by this number
Multiply this by 100 to get the percent of her time that she spends watering plants.
My work:
7+4+9= 20
20/7=2.85714286
2.85714286*100=285.714286
Divide the number of hours spent watering plants (7) by this number
Multiply this by 100 to get the percent of her time that she spends watering plants.
My work:
7+4+9= 20
20/7=2.85714286
2.85714286*100=285.714286