Solve the following literal equation for y: k = 5y + m

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

4+(2+x) can you me solve this problem

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64