Solve the problem.The floor of a rectangular room is to be tiled with 
-foot square tiles along a 10-foot wall. How many tiles will be needed along the wall?
A. 10
tiles
B. 3
tiles
C. 31 tiles
D. 30 tiles
Answer: D
You might also like to view...
Find an equation of an ellipse satisfying the given conditions.Foci at (-2, 0) and (2, 0); length of major axis: 10
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
An overweight man goes on a diet. He initially weighs 269 pounds. He has set a target weight of 200 pounds. Each month the difference D, in pounds, between his current weight and his target weight decreases by 5%.
?
A: Find a formula that gives his weight difference D after t months on the diet.
?
B: If W, in pounds, is his weight after t months, then his weight difference is 
. Find a formula that gives his weight after t months on the diet.
?
C: When will he weigh 223 pounds? Round your answer to two decimal places if necessary.
?
What will be an ideal response?
Solve the problem.A pharmaceutical company introduces a new headache medication on the market. They advertise the product on television and find that the percentage P of people who buy the product after t weeks satisfies the function 
Find the formula for the rate of change P'(t).
A. P'(t) = 
B. P'(t) = 
C. P'(t) = 
D. P'(t) = 
Solve the problem.The recipe for a chocolate chip cake calls for 
pound of chocolate chips. If a bakery wants to make 20 cakes, how many pounds of chocolate chips will they need?
A. 20 pounds B. 5 pounds C. 16 pounds D. 4 pounds