Answer:
The eldest of them is Brian and he is 24 + 2 = 26 years old.
Step-by-step explanation:
Let
Malachy age = a
Brian age = a + 2
Caroline age = a - 8
Total of their age = a + (a + 2) + (a - 8)
66 = a + (a + 2) + (a - 8)
collect like terms
66 = a + a + 2 + a - 8
66 = a + a + a - 6
3a = 66 + 6
3a = 72
divide both sides by 3
a = 72/3
a = 24
Malachy age is 24 . Caroline is 24 - 8 = 16 years old.
The eldest of them is Brian and he is 24 + 2 = 26 years old.
Answer: you have worked 15 hours
Step-by-step explanation: i multiplied $11.45 and 15 which got me to $171.75 your welcome ;)
<h2>
Answer:</h2>
<h2>
Step-by-step explanation:</h2>
This is a problem of composition functions.
On the other hand:
So let's find each value as follows:
Px-2= 4x+x+9
First what you should do is subtract the 2 on both sides
You’ll get px = 4x+x+7 then add the x to 4x
Px= 4x^2 +7
Dived the x on the left on both sides like this px/x = 4x^2+7/x
P= 4x+7
An the answer is actually 21.
<span>9=3*3 10=5*2
</span><span>5*3=15 and 3*2 equals 6.
</span><span>add 15 and 6 which equals 21</span>