Practice Math for SAT/ACT With This Problem
9a-10=15b and 18a-20=100b. Find all solutions for a and b.
Sample Math Problem
The total cost of a party is $185. If the cost is shared equally by f friends, how much does each friend spend?
Example SAT/ACT Math Problem
Alan owns 40% more stocks than bonds. If he owns $380 in stocks, how much money does he have invested in bonds?
Math Practice With Lines
Line s passes through (2, 5) and is perpendicular to 5x-4y=20. If line s is written in y=mx+b notation, find b.
Master Math for the SAT & ACT!
Many economists think that the price of oil has a negative, linear relationship to stock prices. Suppose that the stock market has a base value of 5,000 points even when oil is free or the price of oil is zero. Years later, economists realize that the actual base value of the stock market when oil[…]
Practice Tax + Conversion Rates!
A food blogger from America travels to England to critique English cuisine. When eating out, the blogger buys a dish that costs 22.50 British Pounds. There is an additional 12% sales tax. The blogger spends 37.65 US Dollars. What is the exchange rate in British Pounds per 1 US Dollar? 0.73 0.67 0.64 0.62 0.58