The <em>correct answer</em> is:
C) x/21
Explanation:
Since Person 1 can complete the entire job (100% = 1/1 = 1) in 21 minutes, this person can complete 1/21 of the job per minute. This is Person 1's rate. If x is the amount of time it takes both people together to finish the job, then the amount of work Person 1 does would be (1/21)(x) = x/21.
4.0987 rounded to the nearest tenth.
4.0987
^ This is the tenths place
Look at the number after it, if it's 5 or more, round up, if it's 4 or less, round down.
<span>It's 9, so we round up to 4.1</span>
Answer:
(B) square
Step-by-step explanation:
Square (regular quadrilateral): all four sides are of equal length (equilateral), and all four angles are right angles.