Lily sells an article at a gain of 15%. If she had bought it at 10% less and sold it for Rs 4 more, then he would have gained 30 %. Find her cost price. Explain step by step

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall