To find n take 20 - 5 and you get 15 then divide 15 by 2......n = 15/2 or 7.5
Answer:
Lucy had 40 books last year.
Step-by-step explanation:
assuming 100% is the percent;
100% + 70%
100 : x
170 : 68
cross multiply = 170x = 100 x 68
-------- ————-
170 170
cancel 170/170
therefore x = 100 x 68 divided by 170
result is 40
If there are 3 people in the family and each ate 2 slices. 6 slices were eaten in total.
To find the ammount of pizza eaten, divide the total slices eaten (6) over the original ammount of slices (8)
Eaten ammount = 6/8 = 3/4
Length of the pie = πD
Length of the pie = 10π
One slice = 10π ÷ 6 = 5.25 in (Answer C)
Answer:
142.4
Step-by-step explanation: