15. a) b)
A retailer allowed 4% discount on his goods to make 20% profit and sold a
refrigerator for Rs 10,848 with 13% VAT. By how much is the discount to be
increased so that he can gain only 15%?
A supplier sold a scanner machine for Rs 41,400 with 15% VAT after allowing
10% discount on it's marked price and gained 20%. By how much is the discount
percent to be reduced to increase the profit by 4%?

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?