Answer:20
Step-by-step explanation:
y=1/2x+10
1/2x=y-10
x=2y-20
y=2x-20
Ok so. If someone/something traveled 50meters in 20 seconds thats 25 meters in 10 seconds therefor there would be 25 more if 10 seconds were added.
50meters=20seconds
75=30seconds
Answer:
here it is
Step-by-step explanation: