Answer:
90 yards in 15 minutes =6 yds/min
90 yards in 9 minutes =10 yds/min
x = current rate
r = rowing rate
r + x = 10
r - x = 6 Adding both equations
2 r = 16
rowing rate = 8 yds/min
x = 2 yds/min (current rate)
Step-by-step explanation:
Answer:
ok so umm i dont get what ur looking for?
Step-by-step explanation:
They need 4 more because 12+50+34=96 96-100 is 4 hope this helps ya
The scale faction is 20 to 1 hope that helps