filmov
tv
How to Use Cross Multiplication to Solve a Direct Variation (Proportion) Problem
Показать описание
The problem: Solve. Assume that y varies directly with x.
If y=-5 when x=12.5, what is the value of x when y=15
The solution: x=-37.5
0:04:13
0:05:03
0:02:36
0:08:05
0:01:56
0:03:09
0:01:32
0:04:15
0:02:14
0:06:46
0:08:54
0:02:30
0:03:37
0:04:38
0:13:47
0:03:47
0:02:47
0:12:29
0:04:56
0:03:55
0:06:20
0:00:20
0:00:58
0:07:23