2 years ago

Please explain step by step on how you got the answer.

1 answer:

7 0

The answer is 21

First you po perenthies which would be 8-6=2 the equation now is 5+4×(2)2

Then you to exponents which would be 2×2=4 the equation now is 5+4×4

Now you multiply 4×4=16 the equation is now 5+16

Now you add 5 and 16 to get 21

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2 years ago

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Micaela is 2 years older than Sam. In 4 years, the sum of their ages will be 40. How old is Micaela now?

Ann [662]

Answer:

The error is: The solution shows the Sam's age and the problem asked for Micaela's age.

Solution fixed: $m=17$

Micaela is 17 years old now.

Step-by-step explanation:

The error is: The solution shows the Sam's age and the problem asked for Micaela's age.

To fix the error, you can set up these equations based on the information given:

$m=s+2$

$(m+4)+(s+4)=40$

Solve for "s" from the first equation:

$s=m-2$

Substitute this equation into the second equation:

$(m+4)+((m-2)+4)=40$

Now you need to solve for "m":

$m+4+(m-2+4)=40\\m+4+m+2=40\\m+m=40-4-2\\2m=34\\m=\frac{34}{2}\\\\m=17$

Micaela is 17 years old now.

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