Answer:
0.7
Step-by-step explanation:
Step-by-step explanation:
By Geometric mean property:

210, 420, 630, 840
multiples of 2*3*5*7
Answer:
Roxana's normal hourly pay is $12
Step-by-step explanation:
overtime pay=p
normal hourly rate=r
p=1.5r
72/4=18
p=$18/hr
p=1.5r
18/1.5=1.5r/1.5
<u>12=r</u>