Mariana sells bags of bird food. The bags that Mariana sold last week each contained 12kg of seeds .
The bags that she is going to sell next week will each contain mixture of nuts and seeds where for each bag
weight of nuts: weight of seeds = 4:5
The total weight of the nuts and the seeds in each bag will be 19.35kg The weight of seeds in each bag that Mariana sells next week will be less than the weight of seeds in each bag that Mariana sold last week.
Work out this decrease as a percentage of the weight of seeds in each bag that Mariana sold last week. Give your answer to two decimal place.

Helppp​