Answer:
t=1
Step-by-step explanation:
combine the one t and the 4t
16-2t=5t+9
subtract the 16
-2t=5t+9-16
-7t=9-16
-7t=-7
t=1
The percentage decrease is 60% decrease because it changed by 81 and 81 is 60% of 135
Answer:
I think 47 and 55
Explanation:
I think that each number is the previous one plus 8;
7+8=15
15+8=23
23+8=31
31+8=39
So, next will be:
39+8=47
47+8=55
Is this what ur looking for?? hope this help:)
Answer:
42 - 6 - 6 - 6 - 6 - 6 - 6 - 6 = 0
or
42 - 7 - 7 - 7 - 7 - 7 - 7 = 0