6c+24=4c-18
-4c on both sides
2c+24=-18
-24 on both sides
2c=-42
divide by 2
=-21
Answer:
The answer is 13 because you are a trying to put the letters alone and when you do that you eventually get 13
What’s the question exactly? It’s not clear
To calculate percentage increase. Subtract old and new value. Then divide answer by old value then multiply by 100:
289 -242 = 47
47÷ 242 × 100 = 19.4% (rounded to 2 s.f)
Answer = C and D
Reason = if there are two of the same number in the input or output it is not a function.
