Assume that Dusty has $30 in income, the price of a loaf of bread is $1.50, and the price of a jar of peanut butter is $3. Dusty can buy a maximum of _ loaves of bread or a maximum of _ jars of peanut butter.

Assume that Dusty has $30 in income, the price of a loaf of bread is $1.50, and the price of a jar of peanut butter is $3. Dusty can buy a maximum of _ loaves of bread or a maximum of _ jars of peanut butter.
A.15; 15
B.10; 5
C.10; 20
D.20; 10
正确答案：20; 10