Which of the following best describes the English expression the quotient of nine and the sum of a number and one
1 answer:
Quotient of means divide and the placement of the symbol is where the word "and" is located... the closest "and" unless you see "sum of", "product of", "difference of", or even another "quotient of" between it and "and".
In this case the first "and" is closest so the division sign will go there and the 2nd "and" will be replaced with a + sign.
Ways to write the answer:
9 ÷ (x + 1)
In this case the first "and" is closest so the division sign will go there and the 2nd "and" will be replaced with a + sign.
Ways to write the answer:
9 ÷ (x + 1)
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Answer:
90 g of water should be added and he will make 900 g of solution.
Step-by-step explanation:
Let x g be the amount of salt Ilya add to 810g of water to make 10% solution. Then 810+x g is the amount of new solution. Thus,
810+x - 100%,
x - 10%.
Mathematically,
So 90 g of water should be added and he will make 810+90=900 g of solution.