Question

In a race of one kilometer, A beats B by 70 meters, B beats C by 80 meters. By how much does A beats C?

Answer 1

Answer:

90 meters jdjjdjdjdjdjd

Answer 2

Distance between A and B is 70 m. You can write this as

A−B=70 m.

Distance between B and C is 80 m. Write this as

B−C=80 m.

Then distance between A and C is

A−C=A−B+B−C

=70 m+80 m=150 m.

So, A beat C by 150 m.