Word Problems
Rational Numbers
More Word Problems
Rational Numbers
100
Free points
ur welcome
100
47 X 0 = ______
0
100
Free points
ur welcome
100
0➗47 = ______
N/A can't divide by zero
200
A climber is descending from a mountain. After 2 hours, he is at an altitude of 800 feet. After 6 hours, he is at an altitude of 400 feet. What is the average rate of change?
-100 ft per hour
200
3 * -12 = ______
-36
200
A scuba diver was 2 feet above sea level on a boat. He jumped off the boat and descended a total of 18 feet.
a) Which equation can be used to find the scuba diver’s new elevation?
A. 2 + 18
B. –2 + 18
C. 2 + (–18)
D. –2 — 18
b) Find the scuba driver’s new elevation using your expression from part a)
a) C
b) -16 ft
200
(-6)(-6)= ______
36
300
A helicopter was hovering at an altitude of 135 feet above sea level. The landing pad is located in a valley 15 feet below sea level. What is the distance from the helicopter to the landing pad? Show your work.
150 ft from the landing pad
300
|-22|- (-3) = ______
25
300
a) -12 degrees
b) Monday was 62 degrees
300
|-73| + 5= ______
78
400
The temperature in Chicago last weekend was -4F⋄ at 2:00 AM and 44F⋄ at 2:00 PM.
a) What is the change in temperature? Show your work
b)Assuming the temperature changes at the same rate from 2:00 AM to 2:00 PM, what is the temperature rate of change? Show your work.
a) 44 degrees
b) 4 degrees per hour
400
(47)(-1) = ______
-47
400
Answers will vary
400
-7 X -6= ______
42
500
Denver is 5,280 feet above sea level, and the Dead Sea is -1,410 feet below sea level How much higher is Denver than the Dead Sea? Draw a number line to model your answer.
6690 ft
500
(-132) ➗11= ______
-12
500
Ann opened a savings account with $100; she is saving for a new laptop that costs $600. She has been saving $20 for the past four weeks.
How much more money does Ann need to save to buy a new laptop?
Assuming that she will continue saving $25 every week. How many more weeks will it take to save the $600? Show your work. Round to the nearest tenth.
1. 420 dollars more
2. 16.8 weeks
500
-45➗-5 = ______
9