Ivan forgot to follow PEMDAS
Division first
12/3 = 4
4 x 2 = 8
8 + 8 = 16
Hope this helps!
800 - 50 = 750
750 ÷ 5 =150
150 small vehicles were washed
Xy is the number
A) x + y = 7
B) 10y + x = 10x + y + 9
collecting terms of equation B
B) -9x + 9y = 9
multiplying A) by 9
A) 9x + 9y = 63 then adding it to equation B)
B) -9x + 9y = 9
18y = 72
y = 4
x = 3
The number is 34
Answer:
I guess it decreases by 4 everytime so -4??? If thats what your asking
Step-by-step explanation:
30,26,22,18,14,10,8,4,-2.
