The zoo had 20 successful roadrunner births. Unfortunately 15% of them died from heat exhaustion. How many survived?

17

Step-by-step explanation:

15% of 20 is three

17

Step-by-step explanation:

First you take the starting value and multiply it by 0.15 or 15%. Then you need to subtract that value from starting value. Then you get your final answer.

Math:

20 * 0.15 = 3

20 - 3 = 17

the difference between a number and 5 is -2.

step-by-step explanation:

notice that the equation you are given has -2 (negative 2) on the right side, not 2. when you subtract 5 from a number n, you are finding the difference between the number and 5.

the difference between a number and 5 is -2.