Mathematics, 05.02.2021 18:20 kenniedalany

A school bookstore has the following items for sale. Notebook costs $2.89. Pencil costs $0.79. Folder costs $1.35.

Part A
How much will Luke pay for 4 notebooks? Enter your answer in the box.

$

Part B
Traci uses partial products to find the cost of 14 pencils.

14 pencils at $0.79 each, 10 0.7 = 7, 10 0.9 = 9, 4 0.7 = 2.8, 4 0.9 = 3.6, and $7 plus $9 plus $2.80 plus $3.60 = $22.40.

Which explains whether or not Traci’s partial products are correct?
A.

Traci's partial products are not correct. She should have multiplied 10 × 0.09 and 4 × 0.09. The actual cost is $11.06.
B.

Traci's partial products are not correct. She should have multiplied 10 × 0.07 and 4 × 0.07. The actual cost is $13.58.
C.

Traci's partial products are not correct. She should have multiplied 4 × 0.07 and 4 × 0.09. The actual cost is $16.64.
D.

Traci's partial products are correct. The actual cost is $22.40.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 20.06.2019 18:02, savannahsims5847

Write 1/8% as a decimal number. enter your answer in the box.

Answers: 2

continue

Mathematics, 21.06.2019 15:30, erykaa

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Answers: 3

continue

Mathematics, 21.06.2019 18:00, ahmedislife

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Answers: 2

continue

Mathematics, 21.06.2019 18:30, bryantnaomi6

Which one is true about the hexagons ?

Answers: 3

continue

You know the right answer?

A school bookstore has the following items for sale. Notebook costs $2.89. Pencil costs $0.79. Fold...