Alandscaper can mow a lawn in about 2 hours. when the landscaper works with a , the job takes about 1.5 hours. how long would it take the to mow the lawn by himself

It take the helper 6 Hours to mow the lawn by himself

Step-by-step explanation:

Given:

Time Taken by the landscaper to mow the land = 2 hours

Time Taken  When the landscaper works with a helper = 1.5 hours

To Find :

Time Taken by the helper  to mow the lawn by himself

Solution:

The General formula is

where

X is time taken by the landscaper

Y is the time taken by the helper

Z is Time Taken by both the landscaper and the helper together.

Substituting the values

By cross multiplication

Now,

Y = 6

1

step-by-step explanation:

you are throwing one dart