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masya89 [10]
4 years ago
7

Logan has two jobs, gardening and window cleaning, that pay him a daily

History
1 answer:
gulaghasi [49]4 years ago
3 0

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,

2x+8y=844\,\,(i)\\2x+7y=756\,\,(ii)

Subtract (ii) from (i)

y=88\\

Put this value of y in (i)

2x+8(88)=844\\2x+704=844\\2x=844-704\\2x=140\\x=70

Amount earned by him at gardening job = $70

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