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.
There’s no exact value listed on this graph, but it would be where the line ends completely on the far right. The rain was fluctuating throughout the day when the graph was going up and down. when the graph completely stops, the rain did too.
Answer:
the answer of your question is 55 bc all of addition and subtraction also mutiplying all equals to 55
Emily will have to knit for 4 nights because
4 centimeters the first night
8 centimetres the second night
12 centimetres the third night
16 centimetres the 4th night
it adds by 4 centimetres each night.