Question

Sudha and Ami are making a chain. Sudha has
18 black beads and 12 white beads. Ami has a
total of 20 black and white beads. Both of them
have the same ratio of black and white beads.
a) What is the ratio of the black and white beads?
b) Find the number of black beads and white beads
that Ami has?​

Answer 1

Answer:

black white beads ratio is 3/2

and ami has 12 black and 8 white beads

Step-by-step explanation:

18/12=3/2 ratio of black and white beads that sudha have.

and now it is given they have same ratio so ami gas also 3/2 b/w beads

now 20 is total beads that ami hs

for black beads 3x+2x=5x

so no. of black beads will be

3/5×20=12

and that of white is

2/5×20=8

Answer 2

find the number of black beads and white beads that ami has