Question

It rained as much on Wednesday as on all others days of the week combined. If the average rainfall for the whole week was 3 cm. how much did it rain on Wednesday?

Answer 1

Answer:

10.5 cm

Step-by-step explanation:

Let the rainfall on Wednesday be x cm

So, the rain fall on the other 6 days will also be x cm

Then x+x=3×7

2x=21

x=10.5cm.