14. Jane Cook has a monthly statement for her credit card. The previous balance is $529.78. Cook paid $85. This month's new purchases include $277.32 and
$38.20, as well as a finance charge of $795. What is the new balance?

$-665.74

Step-by-step explanation:

$529.78 - $85.00 = $444.78 - $277.32 = $167.46 - $38.20 = $129.26 - $795.00 = $-665.74

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: