Answer: 31/25/50
Explanation: 31 is the second one. 6 less than second is 25 which is the first one, and third is 2x the first so 50
50 + 25 + 31 = 106
Answer:
Step-by-step explanation:
1) Let x be the number of adults and y be the number of students
x + y = 8 --------------(I)
y = 8 -x
7.25x + 5.50y = 52.75 ----------------(II)
Substitute y = 8 -x in equation (II)
7.25x + 5.5*(8 - x) = 52.75
7.25x + 5.5*8 - x*5.5 = 52.75
7.25x + 44 - 5.5x = 52.75
<u>7.25x - 5.5x</u> + 44 = 52.75
1.75x + 44 = 52.75
1.75x = 52.75 - 44
1.75x = 8.75
x = 8.75/1.75
x = 5
Plugin x = 5 in equation 1
y = 8 - 5
y = 3
2) x = y + 24
x + y = 180 {Supplementary}
y + 24 + y = 180
2y + 24 = 180
2y = 180 - 24
2y = 156
y = 156/2
y = 78
x = 78 + 24 = 102
1)
A has a greater principal
2)
Principal of A is $500, the principal of B is $400, so A's principal is greater by $100
3)
Annual interest rate of A:
10/500 x 100
interest rate of A = 2%
The interest rate of B is higher.
4)
B's annual interest rate is 5% and A's annual interest rate is 2%, so B's is higher by 3%.
Answer:
hi again 1 2 3 a b c
Step-by-step explanation:
Y(7, -8) so x=7 and y= -8 initially
Y’( x+3, y-4)
Y’(7+3, -8-4)
Y’(10, -12) after transformation