Emilyneedshelp
New member
- Joined
- May 4, 2019
- Messages
- 2
y is directly proportional to x
when y = 144, x=12
work out what y is when x=7
here's what I did,
y=kx
144=kx12
12=k
y=12x7
does
7y = 12
or does
y = 84
????
when y = 144, x=12
work out what y is when x=7
here's what I did,
y=kx
144=kx12
12=k
y=12x7
does
7y = 12
or does
y = 84
????