math assignment

Mark cycled from Town A to Town B . At the same time , Nick cycled from Town B to Town A . Their speeds were 12 km/h and 15 km/h respectively . They met sometime later at a point 3 km from the mid point of the two towns . What was the distance between Town A and Town B ?

• let x be the distance from A to B.

• let x be the distance from A to C.

• let x be the speed

• let x be the time.

 Mark cycled from Town A to Town B . At the same time , Nick cycled from Town B to Town A . Their speeds were 12 km/h and 15 km/h respectively . They met sometime later at a point 3 km from the mid point of the two towns . What was the distance between Town A and Town B ? 

• $BD=\frac{1}{3}x$
  

• $BC=\frac{1}{2}x+3$

• BD=x

• AC=3

Mark cycled from Town A to Town B . At the same time , Nick cycledfrom Town B to Town A . Their speeds were 12 km/h and 15 km/h respectively . They met sometime later at a point 3 km from the mid point of the two towns . What was the distance between Town A and Town B ?

• $AC=\frac{1}{2}x-3$

• $AC=\frac{1}{2}x+3$

• $AC=\frac{1}{2}x$

• $AC=3$

Mark cycled from Town A to Town B . At the same time , Nick cycled from Town B to Town A . Their speeds were 12 km/h and 15 km/h respectively . They met sometime later at a point 3 km from the mid point of the two towns . What was the distance between Town A and Town B ?

• AD=BC

• $AD=BD=\frac{1}{2}x$
  

• AB=BD

• DC=AV

Mark cycled from Town A to Town B . At the same time , Nick cycled from Town B to Town A . Their speeds were 12 km/h and 15 km/h respectively . They met sometime later at a point 3 km from the mid point of the two towns . What was the distance between Town A and Town B ?

• The time of Mark is $\ \left(\frac{1}{2}x+3\right)\div12$

• The time of Mark is $\ \left(\frac{1}{2}x-3\right)\div12$

Mark cycled from Town A to Town B . At the same time , Nick cycled from Town B to Town A . Their speeds were 12 km/h and 15 km/h respectively . They met sometime later at a point 3 km from the mid point of the two towns . What was the distance between Town A and Town B ?

• the time of Mark and Nick are not the same.

• Mark and Nick start at different time

• the time of Mark and Nick are the same.

• he time of Mark and Nick are 1 h.

Mark cycled from Town A to Town B . At the same time , Nick cycled from Town B to Town A . Their speeds were 12 km/h and 15 km/h respectively . They met sometime later at a point 3 km from the mid point of the two towns . What was the distance between Town A and Town B ?

• the time of Nick is (0.5x+3)/12

• the time of Nick is 1h

• the time of Nick is (0.5x+3)/15

• the time of Nick is 0

Mark cycled from Town A to Town B . At the same time , Nick cycled from Town B to Town A . Their speeds were 12 km/h and 15 km/h respectively . They met sometime later at a point 3 km from the mid point of the two towns . What was the distance between Town A and Town B ?

• 
• 
• x+15=x+12

• x-15=x-12

A car left from A to B at speed 65km/h , A motor left from B to A atspeed 62 km/h at the same time . They met 5 hours later . How far between A and B ?

• $65\times5-62\times5=x$

• $65\times5+62\times5=x$

• $65\times5=62\times x$

The distance between Town A and Town B is 420 km . A car left fromTown A to Town B at the speed 55 km/h , a bus left from Town B to Town A at the same time . They met 4 hours later . What’s the speed of the bus ?

• $420\div4+55$

• $420\div4-55$

• 420-55

• 420-4