Answer:
It will take 280minutes to inspect 196 hard drives
Step-by-step explanation:
If. 28hd=40min
Then. 196hd=x. cross multiply
28hdx=7840hdmin

x=280minutes
3×(60+7)
(3×30) + (3×7)
90 + 21 = 111
Answer:
1/9
Step-by-step explanation:
Since Dan has 20 rings and 9 hats out of which 5 hats are blue and 4 rings are red, there is a 5/9 x 4/20 chance that he will pick those two. When you simplify the fractions you get a 1/9 chance that Dan will choose such options.
Answer:
4k + 6
Step-by-step explanation: