In multiplication, a negative times a positive has a negative answer. if both are positive or both are negative, the answer is positive.
5 * -5 = -25
-5* -5 = 25
in divisions say you have
-5/5 = -1
-5/-5= 1
5/-5= -1
in addition and subtraction, subtracting a negative means to add the two numbers. adding a negative means to subtract the second number.
5+ (-5) = 0
5- (-5) = 10
= 900-120-158-126-125-121-139
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
150 mins or 2 hrs 30 mins
Step-by-step explanation:
This is simply the LCM ( lowest common multiple)
therefore, you find all the prime factors of 25 using a tree diagram resulting in 5^2 and 30 which will be 2 x 3 x 5. Then you multiply all the factors together and you will get 5 x 5 x 2 x 3 = 150
so....
the answer is after 150 mins
or 2 hours and 30 minutes
