72 total pupils
8x passed the test, x did not
8x + x = 72
9x = 72
x = 8
So since 8x passed the test, substitute 8 for x
8(8) = 64
64 pupils passed the exam
Answer:
17.33
Step-by-step explanation:
plug 78/450 into your calculator
Answer:
angle 1 = angle 2 = 17 degrees
Answer:
0
Step-by-step explanation:
Answer: then y should equal 1
Step-by-step explanation: because 4 is half of 8 and 1 is half of 2