19. mr. jones, the owner of a small store buys kayak paddles for $50.00 each, and sells them
for 180% of the purchase price. a customer buys a paddle for $97.65, which includes the selling price and sales tax. what is the sales tax rate?

$7.65.

Step-by-step explanation:

The cost of the paddle including the mark up

= 50 * 1.8 = $90,

So the sales tax = 97.65 - 90 = $7.65.

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.