Question #e2055

1 Answer
Zainab M. · Tony B
Feb 23, 2018

subtraction of rational number

Explanation:

time taken to mow 7 lawns last week #= 7/12#
time taken to mow the lawns this week #= 5/12#
time by which time taken last week is more than this week #= 7/12-5/12= 2/12= 1/6#

#1/6# of an hour

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