Answer:
20 days
Step-by-step explanation:
t = time required by one worker to complete the job alone
(t+8) = time required by the other worker
So:
7.5/ t + 7.5/ (t + 8) = 1
Solve for t.
...
t = 12 days, the first guy working alone
The other worker would finish the job in 20 days.
Answer:
The proportion is p = 0.399
Step-by-step explanation:
The estimate of a proportion is the number of desired outcomes divided by the number of total outcomes.
Desired outcomes:
286 people captured, so D = 286.
Total outcomes:
Sample of 716 suspected criminals, so T = 716.
Proportion

Answer:
80+50P
Step-by-step explanation:
80 is fixed
50 is variable
1 device = 130
2 decices = 180
Answer:
r = <u>26</u>
Step-by-step explanation:

Answer:
-The scale drawing represents a reduction
-each side of the original is 22 in long
-the scale drawing is proportional to the original
Step-by-step explanation: