So i have a problem with a pie chart and i need to find the total amount of people surveyed using the amount of one portion of it. i cannot figure out how to do this, so i hope someone can me. also, i need you to explain how you got your answer because this is basically an essay question because i need to explain the steps on how i got it

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.