The first one is the answer
Nia answered correct answers = 80% of the 40 questions
When we remove % sign from a number, we divide that number by 100
= of 40
=
Cancelling the two zeroes from numerator and denominator,
=
= 32.
Total correct answers answered by Nia = 32
Answer:
X= 22
Explanation:
Add 10 to both sides and then x is 22
Answer:
x = 12
y = 4
Step-by-step explanation:
x + y = 16
x - y = 8
y + 8 = x
Replace x with y + 8 in the new equation
8 + 2y = 16 ----> we can minus 8 on both sides
2y = 8 -----> divide both sides by 2
y = 4
Now for the x value
x + 4 = 16 ----> minus 4 on both sides
x = 12
Answer:
0.30 m
Step-by-step explanation:
<u>Explanation</u>:-
Given data is 30 % of m
Algebraic expression:-
The form of the algebraic expression is ax+ by +c
Given data is 30 % of m
here 'of' meaning is multiplied of given term
therefore
The algebraic expression is 0.30 m