Find the total cost of the items purchased. [4 marks]
$$\begin{array}{cccc}Item& Priceperuniit& Quantity& TotalPrice\\ Sugar& ₹44/kg& 500g& \\ MangoJuice& ₹30/litre& \frac{1}{2}& \\ Onion& ₹40/kg& 750g& \end{array}$$

Cost of 1 kg sugar = ₹44/kg

Cost of ½ kg sugar = half of ₹44
= $\frac{1}{2}$ x ₹44
= ₹44÷2
= ₹ 22
[1 mark]

Cost of 1 litre of mango juice = ₹30
Cost of ½ litre mango juice
= half of ₹30
=$\frac{1}{2}$ x ₹30
= ₹30÷2
= ₹15
[1 mark]

Cost of 1 kg onion = ₹40
Cost of ¾ kg onion
= Cost of half kg and cost of quarter kg onion
= half of ₹40 + quarter of ₹40
= $\frac{1}{2}$ x ₹40 + $\frac{1}{4}$ x ₹40
= ₹20 + ₹10
= ₹30
[1 mark]

Hence, total cost of all items
= ₹(22+15+30)
= ₹67
[1 mark]