A new sidewalk will be 5 feetwide, 100 feetlong, and filled to a depth of 3 inches (0.25 foot) with concrete. How many cubic yards of concrete areneeded?

(Round to one decimal place asneeded.)

You return from a trip with 4200 Mexicanpesos. How much are your pesos worth in U.S.dollars? Use the exchange rate shown below.

Currency U.S.dollarsperMexicanpeso MexicanpesosperU.S.dollar

Mexican peso 0.05427 18.43

The 4200 Mexican pesos are equivalent to about $

.