Answer:
40%
Step-by-step explanation:
every year the interested be 20%
that's why in 2 years be 40%interest
I do not see an illustration.
Answer:
Refer to the picture above
Consider the suggested option:
1) if in 20 gr. of 50% solution given, then pure salt in this mix is 0.5*20=10 gr., and pure water is 0.5*20=10 gr.
2) after Maya added 5 gr. pure salt is 10+5=15 gr. Total mass of mix is 15(pure salt)+10(pure water)=25 gr.
3) new solution is 15/25=0.6 or 60%.
Answer: 25 gr. of 60% salt solution.
Answer:
ratio is a comparison of two or more numbers that indicates their sizes in relation to each other
Step-by-step explanation: how to multiply
