- Four more than two thirds of a number is 22. Find the number.
- Find three consecration odd integers whose sum is 105
- A 100L tank now contains 240L of water. How long will it take to fill the tank using a pump that pumps 25L per minutes.
Any help??
You can word them as follows....
Then to find the number x, you need to remove the 4 and the 2/3 from the left hand side.
Hence, first subtract 4 from both sides, then multiply both sides by 3/2.
For the second one, only a certain 3 digits, increasing by 2, sum to 105.
It happens they are odd.
Add these up
divide by 3 for the answer.
Has the tank been replaced by a bigger one?
the idea is... it takes 1 minute to get 25L into the tank.
therefore it takes 2 minutes to get (2)25L=50L into it,
it takes 3 minutes to get (3)25=75L into it etc
EDIT: We are supposed to be helping you, so it defeats the purpose to give solutions for a third party.