8th Grade OST Math FREE Sample Practice Questions
8- APercent of cities in the type of pollution A: \(\frac{6}{10} × 100=60\%\)Percent of cities in the type of pollution C: \(\frac{4}{10} × 100 = 40\%\)Percent of cities in the type of pollution E: \(\frac{9}{10}× 100 = 90\%\) 9- ALet the number of cities be added to the type of pollution B be \(x\). Then:\(\frac{x […]
10 Most Common 8th Grade OST Math Questions
B. 40 C. 64 D. 80 3- A $40 shirt now selling for $28 is discounted by what percent? A. \(20 \%\) B. \(30 \%\) C. \(40 \%\) D. \(60 \%\) 4- How much interest is earned on a principal of $5000 invested at an interest rate of \(5\%\) for four years? A. $250 B. […]
