Question

When a sunfloweris 2 weeks old it is 38 centimeters tall when it is 6 weeks old it is 114 cm tall how tall is it when it is 3 ½ weeks old?

Answer 1

2 wk --- 38 cm
3.5 wk --- x cm
x =  3.5 wk x 38 cm
       ---------------------
       2 wk
x= 66.5 cm