75.9k views
12 votes
Help please!!

If y varies directly with x, and x = 7 when y= 28, find y when x = 13.

1. y= 4
2. y=17
3. y= 42
4. y = 52

User Flowtron
by
6.9k points

1 Answer

10 votes
28/7 = 4y
4y 13 times = 52
4
User ERadical
by
7.7k points