If the price of pizzas has risen from $4 to $5 at the same time that the price of an hour of spinning class has risen from $20 to $30, then
A)pizzas have become relatively more expensive.
B)spinning classes have become relatively more expensive.
C)the relative prices of pizzas and spinning classes have remained constant.
D)workers' real income must have decreased.

Question

Quizplus · Accepted Answer

The price of spinning classes has increased by 50% ($20 to $30), while the price of pizzas has increased by 25% ($4 to $5). This means spinning classes have become relatively more expensive compared to pizzas.

If the Price of Pizzas Has Risen from $4 to $5