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:
$28.80
Step-by-step explanation:
16 times 0.8 = 12.8 + 16 = 28.80
34%, 93%, 57%, and 80%.
All you do is move the decimal place two spaces to the right to turn a decimal into a percent.
Answer:
x = 3,-13 :)
Step-by-step explanation:
hope this helps plz brainiest