14.The discount Edelgrace got in buying blouses is P35.00 if the discount is 7% of the marked price, what is the marked price?

Given:

discount = 35php

discount rate = 7%

Required:

let x be the marked price

Solution:

x(7/100) = 35

x(0.07) = 35

x = 35/0.07

x = 500 php

Answer:

The marked price is 500 php

15. With a 5% discount, Mrs Ragus paid P75.00 for the orchid plant she bought. What was the original price of the plant?

Given:

discount rate = 5%

paid price = 75 php

Required:

Original price

Solution:

let x be the price Mrs Ragus saved

(75 + x)(5/100) = x

(75 + x)(0.05) = x

3.75 + x(0.05) = x

3.75 = x - 0.05x

3.75 = 0.95x

3.75/0.95 = x

x = 3.947 php

Original price = 75 + 3.947

Original price = 78.947 php

Answer:

The original price is 78.947 php or 78.95php

16.The cost of washing machine is P16,500.00 including a 4% tax. how much is the much of the washing machine without the tax?

​

Given:

cost of washing machine with 4% tax = 16500 php

4% = 0.04

Required:

Original cost of washing machine without the tax

Solution:

let x be the price of washing machine without the tax

x + x(0.04) = 16500

1.04x = 16500

x = 16500/1.04

x = 15,865.38 php

#CarryOnLearning