Biscuits: 3 packets for the price of 2. 1 packet costs £1.45.
How much for 12 packets?

16 cartons ,each having 24 packets

Total no of packets=384 ,

costRs 1536 .

Cost per packet =1536/384= Rs 4

11 cartons, each having 25 packets

Total cost =11×25×4= Rs 1100

And Rs1100/-

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.