Answer :
Answer:
Amount earned by him at gardening job = $70
Explanation:
Given: Logan worked 2 days gardening and 8 days washing windows, and earned $844. He worked 2 days gardening and 7 days washing windows, and earned $756.
To find: Amount earn per day by him at the gardening job
Solution:
Let $x be the amount earned by Logan at gardening and $y be the amount earned by him at washing windows
According to question,
[tex]2x+8y=844\,\,(i)\\2x+7y=756\,\,(ii)[/tex]
Subtract (ii) from (i)
[tex]y=88\\[/tex]
Put this value of y in (i)
[tex]2x+8(88)=844\\2x+704=844\\2x=844-704\\2x=140\\x=70[/tex]
Amount earned by him at gardening job = $70