The table below shows the number of grade 7 and grade 8 students who chose cheese pizza or pepperoni pizza as their favorite pizza. which approximation is the closet to the percent of the students who chose pepperoni pizza as their favorite? a.) 50% b.)87% c.)53% d.)47%

47% of the students who chose pepperoni pizza as their favorite

Answer (D)

Step-by-step explanation:

∵ The total number of the students in grade 7 is

   171 + 254 = 425 students

∵ The total number of the students in grade 8 is

   285 + 143 = 428 students

∴ The total number of students in both grades is

   425 + 428 = 853 students

∵ The number of students in grade 7 who like pepperoni pizza

   as their favorite is 254

∵ The number of students in grade 8 who like pepperoni pizza

   as their favorite is 143

∴ The number of students who like pepperoni pizza as their

  favorite in both grades = 254 + 143 = 397 students

∴ % of student who chose pepperoni pizza as their favorite is

  (397/853) × 100 = 46.5% ≅ 47%

∴ The answer is (D)

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0

answer: check all that apply, where the options?

step-by-step explanation: