Answer:
9 x 9 =81
Step-by-step explanation:
We let x = Leslie's age
y = Bill's age
A. What expression represents Leslie's current age?
x = 8 + y
B. What expression represents bills age in 4 years. What expression represents Leslie's age in 4 years?
x+4 = 2(y+4)
C. What equation can you write based on the above given information?
You can have 2 linear equations with 2 unknowns.
D. What's bills current age? What is Leslie's current age?
x = 12 ----> LESLIE
y = 4 -----> BILL
The answer is the last one letter D
