Answer:
40%
Step-by-step explanation:
If the radio was £100 then 100 x 0.8 (20% off) = 80 x 0.75 (25% off) = 60 and 40% of 100 is 60
62.5 mph
If you need to travel 500 miles in 8 hours, just divide miles by hours to see how fast you need to go to reach that goal.
500/8 = 62.5
ummm aha-
B
