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. If Dusty’s income rises to $45, Dusty can now 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. If Dusty’s income rises to $45, Dusty can now buy a maximum of _ loaves of bread or a maximum of _ jars of peanut butter.
A.10; 40
B.30; 15
C.5; 25
D.15; 30
正确答案：30; 15