Answer:
Y x 3 - 3 = Y + 57
30 would be your answer
add 3 to both sides so it becomes Y x 3 = Y + 60 and 60/2=30
30 x 3 = 90-3=87
30 + 57 = 87
Hope this helps (I am twelve and I know how to do this)
Step-by-step explanation:
Answer:
wheres the picture?
Step-by-step explanation:
(3y+5)+6y+(y-4)
*group like terms*
3y+6y+y+5-4
=10y+1
Answer:
Each sandwich costs $5.12
Step-by-step explanation:
Six sandwiches is $30.72
Divide 30.72 by 6 and you get 5.12
That means that each sandwich costs $5.12
Answer:
2
Step-by-step explanation:
95% of all data lies within 2 standard deviations of the mean.