Answer:
#350
Step-by-step explanation:
Recall: 1 kg = 1000 g
Also, 250 g is 1/4 kg.
100 g is 1/10 kg.
Shop X
250g of sugar costs #150
Multiply by 4.
1000g of sugar costs #600
Shop Y
100g of sugar costs #95
Multiply by 10.
1000g of sugar costs #950
#950 - #600 = #350
