Answer:
x =
Step-by-step explanation:
5(x-2)^2= 15 ←add 29 on both sides
(x-2)^2= 3 ← divide by 5 on both sides
x-2= ← find the sq root of both sides
x= ← add 2 on both sides
how many kilograms of pure water is to be added to 100 kilograms of a 30% saline solution to make it a 10% saline solution
1 answer:
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Hello!
Answer:
3(4+3g-10h)
Step-by-step explanation:
Hope this helps!
It would be a 12.5% increase. First you find her monthly wages: $10.50 x 160 hours= $1680 a month. Her insurance is $210/month. So you need to find what percentage 210 is of 1680. So 
. Solve for x by dividing 1680 on both sides and you get 0.125. Multiply by 100 to get the percentage and you get 12.5%. Check your answer by multiplying 1680 x 0.125 and you get 210.