Question

pls solve these two questions quickly​

Answer 1

Step-by-step explanation:

6...)2×2/5+3×1/5+2×1/5=12+16+11/5

=39/5 m

9 m = 45/5m

hence,

length of remaining cloth =

45/5-39/5=6/5

7...)-1/2×4/5 = -2/5

15/8×4/7=15/14

-2/5×15/14=-6/14=-3/7

answer= -3/7