The first and last one are the same the teo middle ones are the same. the two middle ones equal -20 and the last and first one equal 20. this is for the question above problem 3.2
There was 45 markers originally in each box.
How do we know?
Well, 3*x = 15*3 + 90 = 45 + 90 = 135
Divide both of the sides by 3
X = 135/3 = 45
Therefore, that’s how we know that there was 45 markers originally.
Answer:
The answer is 83
Step-by-step explanation:
9 (5) (2) - 2 - 5
45 (2) - 2 - 5
90 - 2 - 5
= 83
Answer:
a
Step-by-step explanation:
Answer:
There are 7 total family members.
Step-by-step explanation:
The mother and father make 2, the 4 daughters make 6, and they have one brother among them, making 7.