Which is the following equation rewritten in slope-intercept form: -8x=2-2y. A) y=1/4x+1. B) y=4x+1. C). Y=-4x+1. D) y=-4x-1
2 answers:
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Answer:
For 8000 g of water the amount of chlorine in the pool is 20 mg .
Step-by-step explanation:
Given as :
The pool has 2.5 mg of chlorine per liter of water
I.e The pool has 2.5 mg of chlorine per 1000 g of water
Let The amount of pool in 8000 g of water be x mg
So, <u>From unitary method</u>
∵ For 1000 g of water , The pool has 2.5 mg of chlorine
so, For 1 g of water , The pool has mg of chlorine
∴ For 8000 g of water , The pool has × 8000 mg of chlorine
I,e For 8000 g of water , The pool has 2.5 × 8 mg of chlorine
Or, For 8000 g of water , The pool has 20 mg of chlorine
Hence for 8000 g of water the amount of chlorine in the pool is 20 mg . Answer