The 6 term of a G. P is -2\27 and it's first term is 18.what is the common ratio

r = -

Step-by-step explanation:

The n th term of a GP is

= a₁

where a₁ is the first term and r the common ratio

Here a₁ = 18 and a₆ = - , then

18 = - ( divide both sides by 18 )

= - ( take the fifth root of both sides )

r = = -

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98