Answer:
1.0
Step-by-step explanation:
6 is greater than 5 therefore it rounds 9 up to the next number which is 10, 1.0 or just 1.
Answer:
volume left in A is 80ml
Step-by-step explanation:
let original volume in both be x ml
after pouring from A to B
vol in A = x - 120
vol in B = x + 120
now it is given that
vol in B = 4 times vol in A
implies

hence original volume in A is 200ml. after pouring in B it is 200-120 = 80 ml
Answer:
£33,000
Step-by-step explanation:
The money he gives to his daughter is represented by the 3 in the ratio so you divide £9000 by 3 to get £3000
The money he invests is represented by 11 in the ratio so you multiply £3000 by 11 to get £33,000
Hope this helps! :)