Bell Repair Service allocates overhead based on $50 per trip to each home that requests repair work, plus $1.20 per mile driven to the home. During the past week, Bell provided repair services for 20 customers with average driving distance of 15 miles each. What is the amount of overhead allocated for the week?a) $1,200b) $1,000c) $1,360d) $1,625

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Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.

When a shortage or a surplus arises in the loanable funds market a. the supply of loanable funds changes to return the economy to its original real interest rate b. the nominal interest rate is pulled to the new equilibrium level c. the demand for loanable funds changes to return the economy to its original real interest rate d. the real interest rate is pulled to the new equilibrium level