20 pen cost $1.60 what is the unit rate

$0.08 per pen

Step-by-step explanation:

$1.60/20=0.08

Hope this helps :)

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for