Answer:
x = 9
Step-by-step explanation:
3x - 5x + 8x = 4x + 18
combine like terms on the left side and you get 6x = 4x + 18
then you subtract 4x from both sides
you get 2x = 18
divide each side by 2 and you get x = 9
Answer:
add up all the numbers
Step-by-step explanation:
$3017
Answer:
Rate of change of money in Michael's account will be $20 per week.
Step-by-step explanation:
If we draw a graph for the duration of investment on x-axis and amount in the account on y-axis, ordered pairs for both the conditions will be,
After 6 weeks, amount in the account = $140
Ordered pair : (6, 140)
After 12 weeks, amount in the account = $260
Ordered pair : (12, 260)
Rate of change in hi account per week =
=
=
= $20 per week
Therefore, rate of change of money in Michael's account will be $20 per week.