Answer:
t>12
Step-by-step explanation:
t>180/15
then divide 180 by 15
and you gey t>12
Answer:they need to buy 27 boxes of plates.
Step-by-step explanation:I do not like expaining things.
Answer:
not sure if you're looking for an example of this or not but if you are then it could be something like 12 + 8 because 2/3 of 12 is 8.
Answer:
a=-8
b=-29
Step-by-step explanation:
Let's assume
first number is a
second number is b
the difference of two numbers,a and b,is 21
so, we get

we can solve for 'a'

the difference of five times a and two times b is 18
so, we get

now, we can plug 'a'

now, we can solve for b




now, we can find 'a'

