Answer:
A
Step-by-step explanation:
a = 3n-30 solve for 'n'
a + 30 = 3n
n = (a+30)/3
n(a) = (a+30)/3
the first step is multiplication
the second step is collect like terms
third step is division
Answer:
5.5 days (rounded up)
Step-by-step explanation:
500/91
Answer:
50 questions.
Step-by-step explanation:
70% - 35
100% -
× 35 = 50