So what you need to start with is taking the x from both sides as adding 12 to them. Then, you move the 27 over 4 decimals.
Answer:
3.75 hours
Step-by-step explanation:
Total time needed
5 * 6 = 30 hours
with 8 people
30/8 = 3.75 hours
10x+20y=540
x+y=34
y=34-x
Plug in (34-x) for y:
10x+20(34-x)=540
10x+680-20x=540
-10x=-140
10x=140
x=14
There were 14 ten cent coins and 20 20 cent coins
Answer = the value in the second picture or middle
The one in the second picture
The bar on top of the numbers 12 means that the 12 keeps on re-occurring
Answer:
for question 1, the answer is B for question 2, the answer is D
Step-by-step explanation:
