Question

Abdul buys 500 pens at the rate of ₹2 per pen . If the rate of sales tax is 8 %, the total amount payable by him for total pens is

solve this.plz

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Answer 1

Given information

• ↠Abdul buys 500 pens
• ↠ Price of one pen is Rs.2
• ↠ The rate of sales tax is 8%

What we have to calculate

• ↠ We have to calculate Total amount payable by Abdul for total pens

How we solve this question

• ↠Assume a variable ( unknown ) eg : x or y
• ↠ According to the given statement setup the equation in terms of x or y
• ↠ Then solve the equation

Let's us assume

• ↠ Abdul Pay Rs.X for 500 pens

Forming an equation

• ↠ Rate of one pen Rs.2 added to Cost of 500 pens (Rs. x ) equal Abdul buys 500 pens

Therefore

• ↠ 2 + x = 500

Solving equation

↬ 2 + x = 500

• Transferring sides

↬ x = 500 × 2

• On multiplying

↬ x = 1000

❑ The Cost of 500 pens is Rs .1000

__________________

Now we will calculate Sales tax

• ↠The formula to calculate sales tax is Total Sales Tax = Cost of item x Sales tax rate.

➥ Total Sales Tax = Cost of item x Sales tax rate

• Substituting values

➥ Total Sales Tax = 1000 × 8%

• 8% is written as 8/100

➥ Total Sales Tax = 1000 × 8/100

• Dividing 1000 by 100

➥ Total Sales Tax = 10 × 8

• On Multiplying

➥ Total Sales Tax = 80

❑ Total Sales Tax is Rs.80

_______________________

Finding Total amount payable

➥ Total amount payable = Cost of 500 pens + Sales tax

• Submitting values

➥ Total amount payable = 1000 + 80

• On Adding

➥ Total amount payable = 1080

❑ Total amount payable by Abdul for total pens = Rs.1080