the ratio of successful to unsuccessful students is 9 : 2 total number of examines = 132 successful students = (9/11) × 132 = 108 unsuccessful students = (2/11) × 132 = 24 had 4 more students passed successful students = 108 + 4 = 112 unsuccessful students = 24 – 4 = 20 new ratio of successful to unsuccessful students is 112 : 20 28:5
447.79 ÷ √(√2400) + 30.94 × 6.07 – 5.08 × 21.96 = ?
(29.97%) of 9840 + ? + (45.17% of 1240) = (31.955% of 11750)
15.001% of 799.99 - 3/11% of 1099.99 + 111.002 = ?
Find the difference of day had the highest number of books and that of lowest number of books sold?
96.03% of √225.02 × 14.98 = ? + 19.98
4.93% of 539.92-48% of 4700=?-8330.33
`(601/49)xx(399/81)` ÷ `(29/201)` = ?
540.11 ÷ 17.98 × 5.14 – 131.9 = √?
(44.11/4.01) + (11.99/3.03) + 23.9% of 49.978 = ?3.03
108.31% of (4.9/9.012) of ? = 23.9% of 2499.9