Question

a brain
of
bridge is soom long.
the bridge at a speed of som persee find the
tine take to cross the bridge.
A car moves with a speed of 30km pere/hour
for half howe , 2500 kim for I have and nolu
per / hour for
er showrs calculate the are
nereage
speed.
Answers​

Answer 1

do it short to solve easy