Answer:
21
Step-by-step explanation:
The smallest number that can go into both 3 and 7 as our denominators is 21. This can be worked about by multiplying them together.
(FYI: In some cases, if the product is even, it may not always work to multiply them together)
Answer:
see photo for detailed analysis
Step-by-step explanation:
33/100 is already simplified.
A.)
<u>There are 24 hours in a day!</u>
So it would be 24 + 24 = 48 hours
Answer: 48 hours
<u>Another way is:
</u>
24 x 2 = 48 hours
Switch sides of your problem so it would look like
r -5=-4
20
multiply both sides by twenty
after that it would look like r-100=-80
then add 100 to both of your sides
then after your answer would be r=20
