Question

A hiker descended 2.23 ft every hour for 3 h. What is the change in the hiker’s altitude?



Use a positive or negative number to express the change in the hiker’s altitude.

Answer 1

-6.69

Answer 2

ook

Answer 3

A diver descends below the surface of the water at a rate of 9.3 m/min.



What is the diver’s altitude relative to sea level after 3 min?

Answer 4

27.9

Answer 5

A number of pizzas have been ordered, and 0.25 of all of the pizzas have been eaten. Express the amount of pizza remaining.









--- AB


2.


$2.50 per week has been earned for w weeks. Express the amount of money earned.









--- AB


3.


A town’s population, p, decreased by 4.5%. Express the change in the population.









--- AB


4.


A credit card account has 3 charges of $45 and no payments. Express the balance of the credit card.