17s-10+3(2s+1)
17s-10+6s+3
23s-7
Answer with Step-by-step explanation:
The number of marbles are as under
3 red , 3 green , 1 Lavender total = 7
Now to select five marbles from a total of 7 marbles such that at least 2 marbles are included are the sum of the following cases:
1) We select 2 exactly 2 red marbles from 3 reds and the remaining 3 marbles are selected from 4 of other colours
Thus
2)We select all the 3 red marbles and the remaining 2 are selected from the remaining 4 marbles
Thus the total number of ways are
Answer:
2x-2+2x-2+x+x=50
6x-4=50
6x=54
x=9
hope this helps
have a good day :)
Step-by-step explanation:
2 x $1150 + $1049.34 = $3,349.34.
Volumes: (cubed)
4^3:5^3
= 64:125
Areas: (squared)
4^2:5^2
= 16:25