Answer:
Step-by-step explanation:
Add y to both sides:
Divide both sides by 6:
Substitute this into the second equation given:
Multiply both sides by 3:
Add 23 to both sides:
Divide both sides by 16:
We know that .
Thus,
C - 72 x 4
If using PEMDAS, you can already deduce the exponents and parenthesis. With these gone, you're left with multiplication and division and this is decided by which comes first from left to right. Thus, leaving you with the first multiplication problem presented.
Hope this helps!
55% of 20 is 11. the answer is 20
There is a 40% chance that the randomly selected child will have a speaking part.
Answer: The median is 5.
Step-by-step explanation: If you add all the numbers up, you get 40. There are 8 numbers, so 40 divided by 8 is 5.