Answer:
a=554.88
Step-by-step explanation:
20.4*27.2=
I can't read it, it's too blurry! :( Sorry. Type what is says, If you want me to help! Sorry again.
Answer:
3:4
Step-by-step explanation:
(1/7)/(4/21) = (1/7)×(21/4) = 3/4 = 3:4
don't quote me on this but I'm pretty sure it's H multiplication property of inequality
