From a full tank, 60% of all water was poured, then 25% of the rest was poured. How much% of all water is left in the tank?
March 20, 2021 | education
| 1. First, let’s find how much% of the water is left in the tank after 60% has been poured out of it:
100% – 60% = 40%;
2. Let’s find out how many percent were poured a second time:
40% / 100% * 25% = 10%.
3. Let’s find how many percent of all the water is left in the tank:
40% – 10% = 30%.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.