Geeta has 50 red beads , 100 white beads and 120 blue beads. She wants to make bracelets so that she can use beads of each colour. what is the largest number of bracelets she can make ?
15
25
10
30

the gcd of 50 100 and 120 is 20

Step-by-step explanation:

a scale of 1/2 meaning meaing a 1:2 ratio, namely the new graph by the manager will be 1/2 unit for each dimension.

check the picture below.

so the new graph has a ramp that doesn't go to 30, but 15, 30/2, and landing platorm of 4/2 or 2 units, and the railing that used to be be 3 units tall, now is just 3/2 tall.