Katie is 6; Cathy is 18!
X- Katie’s age now and 3x -Cathys age now
In 6 years, Katie is 12 and Cathy is 24.
2 x (X+6) = 3x + 6
2x + 12 = 3x + 6
6 = x
Answer:
A. the rational number system is closed under addition, but not multiplication
Step-by-step explanation:
may i pleaseee have brainliest
Answer:
18
Step-by-step explanation:
Answer:
Let's make "b" the amount in the account.
A withdrawal means a reduction in the balance. So we have
b - 40
Answer:
Assume that the expression is:
r = √(A)/3
Multiply both sides by 3:
3r = √(A)
Finally, square both sides to get:
A = (3r)²
= 9r²
I hope this helps!
Step-by-step explanation:
