Juan bought 3 loaves of bread and 2 jars of peanut butter. Each loaf of bread cost $7, and each jar of peanut butter cost $9. How much money did Juan spend in all?

1 answer

Juan spent $7 x 3 = $21 for the loaves of bread.
He also spent $9 x 2 = $18 for the jars of peanut butter.
Therefore, Juan spent a total of $21 + $18 = $39 in all. Answer: \boxed{39}.