100 pennies equals how many dollars

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

I'll give brainliest if you answer right : )

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.