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balu736 [363]
3 years ago
13

Anyone know how to do this??

Mathematics
1 answer:
kykrilka [37]3 years ago
5 0

Answer:

A

Step-by-step explanation:

11 is the soln for step 2 as you find that 16=16

The student ends up messing up in step 2

so that rules out b,c and d is also false,because when plugging in 11 to the original, you get a wrong answer.

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Help. only questions 3 & 4 .
Maksim231197 [3]

I'm doing 3

     For 3, using a table is very similar to a double number because the numbers are matching up in both ways.

         On the bottom of a double number line we have like, for example,-- the bottom of the double number line would have batches. And its 1, 2, 3 ,4 , etc.

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3 0
3 years ago
The sum of two numbers is 85. twice one number plus four times the other is 218. find the numbers
Nina [5.8K]
X + y = 85
2x + 4y = 218
x = 85 - y 
<span>2(85 - y) + 4y = 218 </span>
<span>170 - 2y + 4y = 218 </span>
<span>170 + 2y = 218 </span>
<span>2y = 48 </span>
<span>y = 24 </span>
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6 0
3 years ago
Ellie is 5 times as old as her sister Emma. In 2 years Ellie will be 3 times as Emma. How old is Emma now?
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Answer:

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