Answer:
the first one is 5. 5 and second is 5
Step-by-step explanation:
sorry i couldnt do the others
Substitution is best to use one one or both equations is already solved for one of the variables. Elimitation can be use if all variables have a coefficient other than 1.
Okay this equation really says is what is 30% of 248.
So, lets convert 30% to a fraction, 3/10 which is easier to work with.
All you have to do now is get out a calculator and do 248 *3/10 (or .3) and get 74.4
So subtract 74.4 and get
173.6
Answer:
the second one
Step-by-step explanation:
The longest two sides will be 4 each and the shortest two sides will be 2 each
