If 5a=3 and 3b=5, what is the value of a/b?

Ineed in figuring out this problem.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds