What is the length of SĀ? B
10 ft
S
O 1.89 ft
A
0 2.43 ft
6.3 ft
9 ft
03 ft
7 ft
T
2.7 ft
c
с

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)