.A plant grows to a height of 8 cm in 1 week. Fatima says, “Plant height and number of weeks are directly proportional. The height of this plant in 2 years will be about 832cm, because there are 104 weeks in 2 years.” State whether Fatima is likely to be correct and explain your answer.
1.so in one week plant grows 8 cm
2.every week it will grow 8 cm so your equatiion is:
y=kx
y=8x
x-number of weeks
k-number of grow per week (which is constant)
y-number of total grows
3. 1 year-365 days 1 week-7 days
2 years=(365*2)/7 = 104.2857142857142857= 104 weeks (aprox.)
So put 104 into your equation y=8x
y=8*104
y=832
+2499 