Solve and explain how you got the answer : the cost for a movie ticket is $7. the cost is reduced to $5 for groups of 10 or more. how many people must be in a group for them to save a total of $30?

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720