Answer:
6.95 centimeters
Explanation:
The plant grows in a period of 3 weeks. According to given data :
Growth in 1st Week = 1.2 cm
Growth in 2nd Week = 2.75 cm
Growth in the 3rd Week = 3 cm
Total growth during 3 weeks = Growth in 1st Week + Growth in 2nd Week + Growth in 3rd Week
Total growth during 3 weeks =1.2+2.75+3
Total growth during 3 weeks = 6.95 cm
Which is the growth of the plant in a period of 3 weeks.