18/10
9/5
Anything along those lines!
y=3x+6
Step-by-step explanation:
point 1 (2;12)
point 2 (4;18)



m=3
y=mx+b
sub in a point and gradient
12=3(2)+b
12=6+b
b=6
y=3x+6
Answer:
180 minutes so 3 hours
Step-by-step explanation:
Answer:
We can rearrange the interest formula