Let unknown number be x.
Given,
7x - 8 = 3x + 4
4x = 12
x = 3
Hence, the number is 3.
Answer:
a) photo
b)

each person will get 1/5 of the amount of pizza in the table.
the pizza in the table is 3/4 of the whole pizza.
then each person will get 1/5 of 3/4 of the whole pizza.
c)
if 3/4 of the pizza equals 12 slices, then 4/4 of the pizza (the whole pizza) will have 12 . 1 : 3/4 =16 slices

(Photo)
22 times
204/9 equals 22.6
Answer:
Yes
Step-by-step explanation:
The "mean" is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers. The "median" is the "middle" value in the list of numbers. ... If no number in the list is repeated, then there is no mode for the list.