A$45.00 purchase in iowa totals $47.70 with tax and a $35.00 purchas in tennessee totals $37.45 with tax. which state has a greater sales tax percentage? explain your reasoning

Given : $45.00 purchase in Iowa totals $47.70 with tax .

        Amount of Tax in Lowa = 47.70-45.00= 2.70

Percentage of  Sales Tax=  %

Also given:$35.00 purchas in Tennessee totals $37.45 with tax.

Amount of Tax= 37.45-35.00=2.45.

Percent of sales Tax= %

Therefore the state with the greater tax percentage is Tennessee .

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute: