In Misty's homeroom, 4 out of 7 students have a pet. There are 28 students in her homeroom. Which of the following shows how equivalent fractions could be used to find the number of students that have a pet?

9. well to set it up you would start with making an equation.
$7.95x + $8.95x = $1036.75

then you would combine like terms and divide.

7.95+ 8.95= $16.90

then you would divide $1036.75 by $16.90
=$66.46

10. complementary means both =90o

start by dividing 90 by 2= 45

then it says 12 less then twice the measure

so 45*2= 90 and 90- 12 is 78

so angle 1 = 45
angle 2 = 33