Bindu went to vegetable market with her mother to buy 3.5 kg Onions. I

1.	Bindu went to vegetable market with her mother to buy 3.5 kg Onions. If the cost of Onions is ₹ 18.50 per kg., then find the cost of 3.5 kg of Onions.
Answer» Cost of 1 kg. Onions = ₹ 18.50 Cost of 3.5 kg. of Onions = ₹ 18.50 × 3.5 = 64.750 Cost of 3.5 kg. of Onions = ₹ 64.75 Step 1 : Multiply whole numbers ignoring decimals 35 × 1850 = 64750 Step 2: As there are total 2 + 1 = 3 decimals, put decimal point after three digits from the right most to the product. So, 3.5 × 18.50 = 64.750.

Bindu went to vegetable market with her mother to buy 3.5 kg Onions. If the cost of Onions is ₹ 18.50 per kg., then find the cost of 3.5 kg of Onions.

Answer»

Cost of 1 kg. Onions = ₹ 18.50

Cost of 3.5 kg. of Onions = ₹ 18.50 × 3.5 = 64.750

Cost of 3.5 kg. of Onions = ₹ 64.75

Step 1 :

Multiply whole numbers ignoring decimals 35 × 1850 = 64750

Step 2:

As there are total 2 + 1 = 3 decimals, put decimal point after three digits from the right most to the product.

So, 3.5 × 18.50 = 64.750.