It’s 28, 16 add 4 is 20 add 8 is 28
Answer:
8 years old
Step-by-step explanation:
oldest= 16
8+12+15+16= 51
51/4 = 12.73 ( average)
Answer:
There will be 1 solution to the system of equations.
Step-by-step explanation:
y = 6x - 7
y = 53x + 13
Since the two equations have different slopes and different y-intercepts, there will be 1 solution to the system of equations.
tadah!
27/54 is equivalent to, assuming you want to simplify
27/54=1/2
you divide top and bottom of the fraction by 27
because 27*2=54
