Answer:
113 min
Step-by-step explanation:
10s =====> 36 bottle caps
X ======> 24 408 bottle caps
X = (24 408 × 10) / 36
X = 678 ×10 =6780 sec
1 min = 60 sec
? min = 6780 sec
= 6780 ÷ 60
= 113 min
So in 113 min 24 408 bottle caps can be fixed
A=P(1+r/n)^nt- Compound formula
P = $200
r = 4% = 0.04
n = 12 -Amount of months in a year
t = 3 years
A = 200(1 + 0.04/12)^12 × 3
A = 200(1 + 0.0033)^36
A = 200(1.0033)^36
A = $225
let numerator be x and denominator be y
x = y-3...eqn 1
{(x +7)/ (y+5) } - x/y = 1/2... eqn 2
expandin eqn 2...
2y(x+7) - 2x(y+5) = y(y+5)
=》 2xy + 14y - 2xy -10x = y^2 + 5y
=》 14y - 10x = y^2 + 5y...eqn 3
subst x = y-3 in eqn 3
=》 y^2 + 5y - 14y + 10y -30 = 0
=》 y^2 + y - 30 = 0
solving the eqn
y = 5 thus x = 2
subst y = x+3 into eqn 2
2x +14 = x +8
x = -6