<span>50-8t<90
50-90<8t
-40<8t
8t>-40
t>-5
Solutions should go to the right.
Mary probably was solving it as following
</span>50-8t<90
<span>-8t<90-50
-8t<40 (here, when she divided both sides by -8, she had to change sign < to the sign >)
But she did not change the sign, and got
t<-5
</span>
The answer is 3x-21 i think
Answer:
9
Step-by-step explanation:
LM = 18
LN = 27
MN = LN - LM
MN = 27 - 18
MN = 9
Answer:
1.5
Step-by-step explanation:
18÷12=1.5
To double check, you can do 12×1.5, which equals 18.