You are the buyer for OHaganBooks.com and are considering increasing stocks of romance and horror novels at the new OHaganBooks.com warehouse in Texas. You have offers from two publishers: Duffin House and Higgins Press. Duffin offers a package of 5 horror novels and 5 romance novels for $50, and Higgins offers a package of 5 horror and 11 romance novels for $150. How many packages should you purchase from each publisher to get exactly 4,500 horror novels and 6,600 romance novels?

Q: Kurt has saved $160 to buy a stereo system that costs $400 including taxes. If he earns $8 an hour…

A: Let kurt work x hours to get stereo system  Cost of stereo system =$ 400  saving of kurt =$ 160

Q: A contractor, Susan Meyer, has to haul gravel to three building sites. She can purchase as much as…

A: (a) Given that each truck can haul 5 tons of gravel and the cost per truck is five times the hauling…

Q: You work for a manufacturing company that decides to introduce a new product. If your company offers…

A:

Q: An investor has 20 thousand dollars to invest among 4 possible investments. Each investment must be…

A: Given that : An investor has 20 thousand dollars to invest among 4 possible investments. Each…

Q: A scientist visited Amazon.com to purchase a book. To his amazement, he found the book priced at…

A: 51 days

Q: You work for a car dealership where you earn 16% commission on the profit of a car sale under $800,…

A: Given that you earn 24% on the profit of a sale above $800 but less than or equal to $2,000. And…

Q: A raffle is being held to benefit the local animal shelter.  They sell 513 tickets that do not win…

A: Expected value:The expected value of a random variable is the sum of the possible values that the…

Q: As an intern for an office you are tasked with gathering lunch orders and bringing back the receipt…

A:

Q: A recent news article says Elon Musk's net worth is $197 billion. The super lotto plus is currently…

A:

Q: You are choosing between two different cell phone plans. The first plan charges a rate of 23 cents…

A: You can choose between two different cell phone plans. The first plan charges a rate of 23 cents per…

Q: A scientist visited Amazon.com to purchase a book. To his amazement, he found the book priced at…

A: A scientist visited Amazon.com to purchase a book. To his amazement, he found the book priced at…

Q: Both ashley and Bill want to buy a $400 giant teddy bear. Ashley currently has $80 a 15% off coupon…

A: Given Data:  Cost of teddy bear=$400   Let 'x' be the number of days it takes Ashley to buy the toy…

Q: Dave and Ellen are newly married and living in their first house. The yearly premium on their…

A: The answer is attached below,

Q: Last year’s freshman class at Big State University totaled 5,327 students. Of those, 1,265 received…

A:

Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.