Answer:
c.45 degrees
Step-by-step explanation:
90 -180= 90
90÷2=45
Complete Question:
A number decreased by eight is five.
Group of answer choices.
A. C + 8 = 5
C. -8c = 5
B. C - 8 = 5
D. S = 5
Answer:
B. C - 8 = 5
Step-by-step explanation:
Let the unknown number be C.
Translating the word problem into an algebraic equation, we have:
C - 8 = 5
Simplifying further, we find that;
C = 5 + 8
C = 13
Therefore, the unknown number is 13.
The answer is option A
Once you try substituting the values of options B and C, the equation is equal on both left and right hand sides hence the solutions is A
Answer:
6 adults
Step-by-step explanation:
Let
x -----> the number of children
y ----> the number of adults
we know that
The ratio
so
using proportion
Find the value of y for x=(20-12)=8
therefore
6 adults
