21/50 is 42 percent of the students. You will have to find 42 percent of 350 to know. 42 percent of 350 is 147.
The second answer is right
3.5 is 7 divided by 2.
3.5=7/2
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3.5 is also 3 and a half,
3.5=3+1/2
Product is 1620. When you do mental math, take out the zero in 60, think of it as a 6 and multiply 27 by 6. Then you will get 162, add the 0 and you would get 1620
C. Because you have to look for the greatest number. Disregard whether it is negative or positive. Since you are looking for steepness. That does not matter.
36 in expanded form is 30+6
