Answer:
length of the longest side is less than 21
Step-by-step explanation:
5n+6n+7n=18n
18n<54
n<54/18
n<3
7*3=21( longest side.
)
Answer:
Step-by-step explanation:
55x + 165 = 1375
so just add 55 till you get there
22
Answer:
the answer to this question is 18....to complete this you have to multiple first then add
(Sorry.. im kind of confused by this question...