Lou Ann needed 25 packages that contains all the 150 invitations.
Lou Ann needed to mail 150 invitations to her school play. The invitations came 6 to a package.
<h3>What is Statistic?</h3>
The statistic is the study of mathematics which deal with relations between comprehensive data.
Here, 1 package contains 6 invitation
so 1 package = 6 invitations
total invitation= 150 invitations
now number of packages = Total invitation/ 6 invitation = 150/6
=25
Thus the required number of packages is 25.
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answer: is 34
Step-by-step explanation:M=50 so $0.35-50
2/7=6/x
2x=42
x=21
6 TRIFLES WILL COST 21 pounds, since we can set up a proportion and cross multiply.
Answer:
NOTE: Standard form is Ax+By=C
Distribute -1
5a -a +3b
Rewrite
5a +3b = -a
Multiply every term by -1 so -a will be positive
-5a -3b = a