Answer:
The ratio for gray to blue keys is 6:7
Step-by-step explanation:
Given : There is a calculator has 50 keys in five colors :
Grey, Black ,Blue, Yellow and Green
For every 7 blue keys their is 6 gray keys.
To Find : A possible ratio for gray to blue keys.
Solution :
The general form of ratio for x to y is x : y.
Since there are 6 Gray keys for every 7 Blue keys
So, ratio for gray to blue keys will be :
Hence The ratio for gray to blue keys is 6:7