To win a contest, the number of beans in a jar has to be guessed within 20 of the actual number. If the number of beans in the jar is 645 , which equation can be used to find the minimum and maximum number of beans that will win the contest, and what is the maximum guess that could win?
Answer
A
start absolute value x minus 645 end absolute value is equal to 20 ; maximum guess: 665 beans
B
start absolute value x minus 20 end absolute value is equal to 645 ; maximum guess: 665 beans
C
start absolute value x minus 20 end absolute value is equal to 645 ; maximum guess: 635 beans
D
start absolute value x minus 645 end absolute value is equal to 20 ; maximum guess: 635 beans