Answer:
0%
Step-by-step explanation:
Cards: 1,2,3 total cards 3
P (3) = number of 3's / total cards
= 1/3
We keep the 3
Cards: 1,2 total cards 2
We want a card greater than 2
cards greater than 2 : 0
P (card >2) = cards greater than 2 / total cards
=0/2
P (3, no replacement, >2) = 1/3 * 0 =0
Answer:
25 minutes
Step-by-step explanation: 20 divided by 8 equals 2.5 so she take 2 and a half minutes per question. 2.5 plus 2.5 equals 5 so just add five minutes on her original time. 25 minutes
If you want an expression it would be 9-5x
Answer:
1) A giraffe's heart will beat 910 times in 14 minutes
Table for 1)
Beats 65 325 910
Minutes 1 5 14
2) $8.80 for 4 bags of chips
Explanation for 2)
8.8 divided by 4 equals 2.2
4.5 divided by 2 equals 2.25