f = amount of fliers expected to be mailed in 1 day.
a)
so, she has 5 days to mail those fliers, so
day 1........... 1f mailed out
day 2........... 2f mailed out
day 3........... 3f mailed out
day 4........... 4f mailed out
day 5........... 5f mailed out
so she'll be mailing out a total of 5f fliers, we know whatever "f" is, that total must be at least 850, now, it could be more, no less, could also be 850 exactly, but could also be more, 5f ⩾ 850.
b)

Answer:
336 blue marbles
Step-by-step explanation:
694= x+3x+3x-90
694=7x-90
784=7x
x=112
3x=336
3x-90=246
The Answer is C: 500
Explanation:
60/12*100=500
<em>1436 ml</em>
<em>=</em><em> </em><em>1</em><em>.</em><em>4</em><em>3</em><em>6</em><em> </em><em>l</em>
<em>(</em><em> </em><em>divide</em><em> </em><em>by</em><em> </em><em>1</em><em>0</em><em>0</em><em>0</em><em>)</em>