Math Practice Problem
The initial price of a water bottle is $1.55. Find the price after a 7% tax and 18% discount.
Demarest Reading Tutor
Practice Percent Change!
Alan initially has 17 friends. He loses some and then has 13 friends. Find the percent change in friends that he has.
Sample Math Problems
Tim buys a soda with initial price of $1.55. Find the price after 2 consecutive discounts of 7% and 8%.
SAT & ACT Half Life Math Problems
The half life of a cell is 180 years. The initial mass is 40 units. Find the mass after 300 years.
Important Vocabulary Words!
Remnant- Leftover piece/memory of something Raiment- Clothing Sonorous- Deep voice/sound Somnolent- Sleepy Vittles- Food, supplies Caisson- Chest or wagon for holding bullets, Diadem- Crown Dyad- Two opposing sides Diodes- Two terminal electrical component Exegesis- Summary/interpretation of a text Funicular- Cable car Fusillade- Round of shots or fireworks Capacious- Roomy Osculate- Kiss or to be tangent[…]
Test Your Vocabulary!
Municipal- County or Local Lattice- A wooden frame Preclude- Prevent, cut off possibilities Tyrant- Ruthless dictator Efficacious- Efficient, helpful Calamity- Disaster Revel- Partying/Enjoying Sparring- Dueling physically, or engaging in an argument Portend- Predict into the future Pontificate- Lecture in a bossy tone Proscription- Not allowed, not permitted Vagary- Unpredictable or extravagant action or notion Alderman-[…]
More Words of the Week!
Truculent- Fierce, cruel, savage Extenuating- Mitigating/lessening the severity of Novice- Beginner/Apprentice Venerable- Respected because of age. Incipient- Initial stage/ coming into being Congenial- Pleasant/agreeable Ad hoc- Improvised, makeshift solution designed for a specific problem or task, non- generalizable, and which cannot be adapted to other purposes Status quo- Current situation Subjugate- Bring under control/ dominate (political[…]
Words of the Week!
Dilettante- A person who is interested in something like the arts, but does not really know a lot about it. Recidivist- A criminal who repeats the offense Robust- Strong Plight- Suffering/Bad situation Complicity- Participating in a crime Arbor- Related to the earth or trees Eulogy- Tribute (+) for someone who died Felicity- Great happiness Felicitous- Pleasing/lucky[…]
Problem Solving and Data Analysis
Verizona offers a cell phone plan that provides 250 free text message. After that, consumers pay $0.05/message. Sprintina has a plan that charges $0.02/message. At what quantity of messages do Verizona and Sprintina cost the same. 12x–y=8x+40x+6y=50 Find the value of y–x. Point A: (11, 5) Point B: (-4,-3) Point C: (10.5,-4) Point D: (2,4) Find[…]
Functions, Geometry, Passport to Advanced Math
There is a class of 10 students. How many ways can the teacher pick 1st, 2nd, and 3rd place prizes? In a set of 12 girls, how many groups of 4 winners can be made? 18 students are running for 5 student council seats. How many winning sets can be formed? 12 swimmers compete for[…]