1 / 4 of 80 tons is () () 1 / 5 of meter is 20 meters, 35 minutes is 2 hours ()

1 / 4 of 80 tons is () () 1 / 5 of meter is 20 meters, 35 minutes is 2 hours ()

20 and 100 and 7 / 24

Three times of a number plus half of the number is 80.5. Find the number

Let this number be X. from the meaning of the question, we can get: & nbsp; & nbsp; 3x + 12x = 80.5, & nbsp; & nbsp; & nbsp; & nbsp; 3.5x = 80.5, 3.5x △ 3.5 = 80.5 △ 3.5, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; X = 23. A: this number is 23

What number plus 5 divided by 2 equals 80

Primary school question: 80 * 2-5 = 155