Answer:
Nice to hear that, congrats with practice 7.3
just graph it mate
Step-by-step explanation:
here is the answer... for it
×/21 x ×/21 = 7× x/21
x= 1/3
A
6 is about halfway to 16
21 is about halfway to 56
they meet up, which makes the line the most accurate
Yw :D