Respuesta :
Answer: 15 s
Step-by-step explanation:
1/20=0.05
3/4=0.75s
use proportion:
0.05:0.75=1:x
x*0.05=0.75
X=0.75/0.05
X=15s
Answer: 15 s
Step-by-step explanation:
1/20=0.05
3/4=0.75s
use proportion:
0.05:0.75=1:x
x*0.05=0.75
X=0.75/0.05
X=15s