Answer:
Melanie = 24 years old
Raymond = 27 years old
Step-by-step explanation:
Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)
When there are no special grouping symbols, math problems are solved from left to right. Although there are other important rules about the order in which you do the operations (addition/subtraction/multiplication/division) in a math expression or equation, this lesson will focus on grouping symbols. The rest of the order of operations rules will be explained in the Determining Order of Operations lesson. To help prevent confusion as you learn how to use the grouping symbols, this lesson will only use addition and subtraction.
Answer:
15 inches
Step-by-step explanation:
12 inches = 1ft
12ft = 144 inches
144/9 = 16
20ft = 240 inches
240/16 = 15 inches
Answer:
x² + 16x + 64
Step-by-step explanation:
(a + b)² = a² + 2ab + b²
Here, a = x & b = 8
(x+8)² = x² + 2*x*8 +8²
= x² + 16x + 64
It will be 7 years 6 months with $25 extra
