Round 3,047 to the nearest hundredth

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

What is the value of x in the diagram below?

Find dy/dx using implicit differentiation ln(20+e^xy)=y