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:
5
Step-by-step explanation:
65%...
26 divided by 40 = 0.65 x 100 = 65%
hope this helps!
Answer:
there is an equal amount if cars on both sides so it would be 0
Step-by-step explanation:
there are 4 cars on the left and on the right of 2 1/2 so the answer would be 0 because 4-4=0
