-1/2+6/7
-7/14+12/14
5/14 answer
She underestimated by 60 cents. To get this answer all you need to do is multiply 1 dollar times 12 which is $12 and then multiply $.30 by 12 and that gives you $3.60. Then you add the $12 to the $3.60 and that gives you $15.60 which is 60 cents over the estimation.
20% of x=6
20/100 of x=6
20x= 600
x=30
38% of 30=11.4
Well, you have to be given an interval. That is not an interval.
You should be given something like

If you add those fractions up you'll just get a point on the number line.
Find the LCD for all of them which is 9/6 - 4/6 + 3/6 = 8/6 = 2/3
You'll end up with a point on 2/3
Answer:
11, A
Step-by-step explanation:
90 - 35 = 55
55/5 = 11