Y=mx+b, b=y-intercept (value of y when x=0) so if:
y=30x+18
He earns 18 cents if he does not make any deliveries.
Step-by-step explanation:
4 + 3 = 7
petra robyn total
210 / 7 =30
wage total
ratio
30× 4 = $120
<em>Petra's part</em>
30× 3 = $90
<em>Robyn’s part</em>
Answer is 82.6666 and keeps going
