Answer: ? = 11 ft
Step-by-step explanation:
think of it as a rectangle, it still has right angle
2 sides would be parallel to each other:
6 ft + 9 ft = 15 ft
therefore 7 ft + 4 ft = 11 ft
30 students.....14 are boys...that means (30 - 14) = 16 are girls
if 2 boys are dropped......14 - 2 = 12 boys
and 2 girls are added......16 + 2 = 18 girls
fraction of the class that are boys is : 12/30 which reduces to 2/5 <==
Answer:
25
Step-by-step explanation:
