Jay has $8 l. he wants to buy a book for $ 7.50 the sales tax is 6% does he have enough money? explain your reasoning

Jay does have enough money. 6% of 7 dollars and 50 cents is 45 cents. when the whole cost is added together the total comes to be 7 dollars and 95 cents. That would leave Jay with 5 cents remaining

The book is $7.50, and the sales tax is 6%. We just multiply 7.50 times 0.06, which is 0.45. So the tax on the book would be 45 cents. Next, add 7.50 with 0.45. This gives us 7.95. The cost of the book after sales tax is $7.95. He brought $8 with him. So yes, he does have enough money to buy the book, and he would get 5 cents back as change

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step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15