Round 45.886 to the nearest hundredths

45.87

Step-by-step explanation:

45.886

put { ) around the hundredths place and round

45.88(6)

if it is 5 or bigger then 5 it takes the next number up one

but if it smaller then 5 it gets taken off

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.  

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8