Baseball cards cost $3.79 a pack there is a 25% discount if 10 or more packs are purchased. sales tax is 7%.if terry bought 15 packs of cards, about how much did he pay

Total amount he paid = $45.62

Step-by-step explanation:

Number of packs purchased = 15

Cost per pack = $3.79

Total cost = 3.79*15 = $56.85

Since he purchased more than 10 packs, he gets a discount of 25%.

So, net cost after discount = 56.85*(1-0.25) = 42.6325

There is a sales tax of 7% on this amount

So, net cost after discount and sales tax = 42.6325*(1+0.07) = $45.62

Total amount he paid = $45.62

you divide the cost ($15) by the quantity (6) to get your questions answer. the yo-yo costs $2.50. hope this : )!

step-by-step explanation:

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below: