Lisa purchased a hat for $10, a purse for $20, and a book for $23. the sales tax rate was 7.2 percent. what was the total amount she paid? $0.53 $3.82 $53 $56.82

She paid $ 56.82.

Step-by-step explanation:

Since, the cost of one hat = $ 10,

One purse = $ 20,

One book = $ 23,

Thus, the original cost of all item that are bought = 10 + 20 + 23 = $ 53,

Given,

The sales tax = 7.2 %,

Hence, the total amount she paid = The original cost of all item + 7.2 % of the original cost of all item

y=mx+b is the final answer!   : )

the best buy, is the 4- kilogram bag of lollipops for $18.40.

step-by-step explanation:

i found my answer by dividing the cost of each bag by their respective weights.

14.88 divided by 2 = 7.44

17.29 divided by 3 = 5.77

18.4 divided by 4 = 4.6

24.4 divided by 5 = 4.88

by this, i found that the 4 kilo bag is the best buy.