Question

80 beads remained with Swati after making 3 strings using 1/4 , 1/2 and 1/8 of the beads she had. find the number of beads used by Swati to make the three strings
options:(1) 320 (2)540 (3) 560 (4) 640 ​

Answer 1

Answer:

(4) 640

Step-by-step explanation:

1/2 + 1/4 + 1/8 = 7/8

1 - 7/8 = 1/8

8 * 80 = 640