The answer is 42 feet I use substitution and subtract by 8
The answer is B: 150
Let a be the age at which the tree reaches maturity
289000 = 900a + 2200(220-a)
289000 = 900a + 484000 - 2200a
289000 - 484000 = -1300a
a = -19500 / -1300
a = 150
Answer:
5/12
Step-by-step explanation:
You have 2/5 + 1/60. Find the common denominator which is 60.
24/60 + 1/60 = 25/60. Reduces to 5/12
Answer:
3
Step-by-step explanation:
1: Turn the mixed fraction into improper.
2: Multiply 3/5 to each side
3: The you get x = 3
You need to multiply the fraction instead of division because multiplying by the reciprocal is the same as dividing the normal fraction.