An experienced carpenter could build a house in 5 days. how much would he have finished if he worked for 3 days?

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What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.