Question

If the sales tax on a purchases worth Rs 60 is Rs 4.20. What will be the sales tax on the purchase worth of Rs 1.50?​

Answer 1

Appropriate Question:

• If the sales tax on a purchase worth Rs. 60 is Rs. 4.20. What will be the sales tax on the purchase worth Rs. 150?

Given that:

• The sales tax on a purchase worth Rs. 60 is Rs. 4.20.

To Find:

• What will be the sales tax on the purchase worth Rs. 150?

Finding the sales tax on a purchase worth Rs. 1:

Using unitary method.

∵ Sales tax on Rs 60 = Rs 4.20

∴ Sales tax on Rs 1 = Rs 4.20/60

Finding the sales tax on a purchase worth Rs. 150:

Using unitary method.

∵ Sales tax on Rs 1 = Rs 4.20/60

∴ Sales tax on Rs 150 = Rs (4.20 × 150)/60

∴ Sales tax on Rs 150 = Rs 10.50

Hence,

• The sales tax on the purchase worth Rs. 150 is Rs. 10.50.

Answer 2

Given :-

If the sales tax on a purchase worth Rs 60 is Rs 4.20

To Find :-

What will be the sales tax on the purchase worth of Rs 150?​

Solution :-

Let the sales tax be x

60 : 4.20

150 : x

Cross multiplication

4.20(150) = 60(x)

630 = 60x

630/60 = x

Cancel by 6

105/10 = x

10.5 = x

Hence,

Sales tax is 10.5

[tex][/tex]