C hope i could help you out
Answer:
Fred is 28 yrs old. Nathalie is 12yrs old
Step-by-step explanation:
Let Nathalie's age be x
Let Fred's age be a
x+a=40 yrs•••••1
4x+a=76yrs•••••2
a=40-x
Substitute a for 40-x in equation (2)
4x+40-x=76
3x=76-40
3x=36
x=12
a=40-12
a=28
Answer:
$6.75
Step-by-step explanation:
First you find 25% of $9----> 2.25 and then you subtract that from 9----> 9-2.25=<u>6.75</u>
<h3>
Answer: Rs 25</h3>
Explanation:
Each pencil has a profit of Rs 1.25 since 
Multiply that result with 20 to get the final answer shown above in bold.
<u>Answer:</u>
The correct answer option is D. 
<u>Step-by-step-explanation:</u>
We are given the following two functions:
and

We are to find
so we will subtract the function g from function f, arrange the like terms together and combine them like shown below to get:



Therefore,
is equal to
so the correct answer option is D.
.