Answer:
The answer is:
C.
Step-by-step explanation:
Given:
Where is the heartbeats per minute and
is the age of person
To find:
Age of person in terms of heartbeats per minute = ?
To choose form the options:
Solution:
First of all, let us have a look at the given equation:
It is value of in terms of .
We have to find the value of in terms of .
Let us divide the equation by 0.8 on both sides:
Now, subtracting 220 from both sides:
Now, multiplying with -1 on both sides:
So, the answer is:
C.
Answer:
Step-by-step explanation:
Write the question in equation form
Multiply
Add
Answer:
x = 44
Step-by-step explanation:
So far, so good.
Now add the opposite of 0.8 to both sides.
0.2x = 8.8
And multiply both sides by 5 (equivalently, divide by 0.2).
x = 44
If the last one is supposed to be 7(8+3), it would be equivalent to 56+21
Answer:
i think its 70 but i might be wrong pls let me know in the comments if i am right or wrong
Step-by-step explanation: