3. Sonya started a business fixing people’s computers. She spent $10,500 on tools, parts, and software. She spends an additional $200 per week on other expenses. She earns $600 each week. What is the minimum number of weeks she needs to be operating her business to make a profit?

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.