C is correct because A is 2.82 and B is 2.8
Answer:
x + y <u>></u> 15
10x + 5y <u><</u> 100
we will put it in terms of y
y <u>></u> 15 - x
and
5y <u><</u> 100 - 10x
y <u><</u> 20 - 2x
<u>-TheUnknownScientist</u>
Hello,
The correct answer is B.
Further explanation: The first step is to multiply 3 by 7. That gives you 21, then add 21+2. Then put your denominator at the bottom.
Workspace:
3 * 7
=21
21 + 2
=23/7
Answer:
I think it's 20/9 hours. so 2.222222... hours.
Step-by-step explanation:
Answer:
3/28
Step-by-step explanation:

that dot is a multiplication sign, right?