My teachers taught me a trick make a C from the top to bottom
so 5 1/2 would be
5 times 1 + 2 so denominator stays the same so it 7/2.
bottom one is 22/4
make a C from top to bottom and multiply outer number to top add the bottom to that then keep denominator the same.
Hope i helped.
Answer:

Step-by-step explanation:
<u>Simplfy in Algebra
</u>
We have the following expression

Simplifying like factors in the denominator and numerator

All the factors are perfect squares except
, thus we rewrite:

Taking the square root of all the perfect square factors:

I think the answer
Is 273
Answer:
1.6 hours
Step-by-step explanation:
Their separation speed is 95 +105 = 200 miles per hour. The time required for the given distance is ...
time = distance/speed
time = (320 mi)/(200 mi/h) = 1.6 h
It will take 1.6 hours for the trains to be 320 miles apart.