800 - 900 = -100. = 100/800=.125 x 100 = 12.5% increase.
Sales Tax rate: 6.75%
Total price of item including tax: $14.93Original price of item: ?
Let x be the original price
x+0.0675x = 14.93 -- we change the percent to decimal
1.0675x = 14.93 -- simplify
1.0675x/ 1.0675 = 14.93/1.0675 --isolate x
x = 14.93/1.0675 --divide
x = 13.98595
Then rounded to two decimal points, the answer would be $13.99.
1/2-3/4 is 0.25. helped you with #3! :)
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The answer is there as well as the explanation on why it should go there. hope this helps if it does please mark brainliest
