1. 3 - 5/9 + 1 2/3
= ?
2. 32 -:- 12
= ?
2007-08-12 16:10:22 · 1 個解答 · 發問者 S.S. 7 in 教育與參考 ➔ 小學及中學教育
The rental fee for a tennie court was $X per hour. Lily booked it for three hours and paid $210. How much was the rental fee for a tennis court per hour ?
2007-08-12 16:38:44 · update #1
1.
3 - 5/9 + 1 2/3
= 27/9 -5/9 + 15/9
= 37/9
= 4 1/9
2.
32/12
= 8/3
= 2 2/3
3. rental fee for a tennis court per hour = $210/3 = $70
"/" = division
2007-08-13 13:47:02 補充：
better to write $70/h than $70 in question3
2007-08-13 09:46:01 · answer #1 · answered by Tsan 3 · 0⤊ 0⤋