Ch. 1.5 Warm-up 2 - dividing integers

Alligators population in a nature preserve in the Everglades decreases by 60 alligators over 5 years. What is the mean yearly change in the alligator population?

 $Divide,\ if\ possible.\ \ \frac{-84}{-7}$  

Choose all situations that would be represented by a POSITIVE integer.

• Bethany lost 5 pounds

• Keith won a $20 gift card for SOAR raffle

• Vanessa charged $4.35 to her credit card

• A deposit of $22

• No money withdrawn or deposited

A drought can cause the level of the local water supply to drop by a few inches each week.  Suppose the level of the water supply drops 2 inches each week.  How much will it change in 4 weeks? 

• -16 inches
• -8 inches
• -2 inches

Tags

CCSS.7.NS.A.3

A snowboarder descends a 1200-foot hill in 3 minutes. What is the mean change in elevation per minute.