Well 12 is 3\4 of 16 so honestly it would take the 8 hours working together.
As far as formula if I had to guess it would look like.. 12Amy(Ay)- 16Alicia(Aa) = 4 hours minus 4 from Amy would be 8hours.
in fraction form might make more sense. 3\4 - 4\4 = 1/4 minus that from Amy and she'll finish together with Alicia 4 hours quicker being 8hours.
Answer:
Step-by-step explanation:
(d + 5) + (d + 5) + (d + 5).....combine like terms
3d + 15 <===
Heres the answer you’re looking for.
y= -2x-4
Answer:
A = 
Step-by-step explanation:
First manipulate the equation as such,



Then use the quadratic formula,
when,
.
Which gives
.
Answer:
11
Step-by-step explanation:
its number 2