Homework Help

3 Replies
TCB - June 17

I really need help finding the answers to these 2 math problems...can anyone help? 4) Fantastic Flags, Inc., finds that the cost to make x flags is: C = 19x + 10, 135 while the revenue produced from them is R = 37x (C and R are in dollars). What is the smallest whole number of flags, x, that must be sold for the company to show a profit (that is, the point at which revenue begins to exceed cost)? 5) It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 40 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength (hint: we're removing x liters of the original solution, and replacing the with x liters of pure antifreeze. Since we're adding back in as much as we're removing, we end up with the 40 liters we started out with)

 

Rabbits07 - June 17

The answer to the first is 564.

 

olivia - June 17

First one: X=>564 Second ?

 

TCB - June 17

do you know if 5 is 10 liters replaced?

 

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