Jude is placing boxes on a shelf that holds no more than 80 lb. He has x small boxes that weigh 5 lb each and y large boxes that weigh 12 lb each. Jude needs at least 4 small boxes on the shelf. Which inequalities model the situation? Choose exactly two answers that are correct. Question 13 options: 5x + 12y ≤ 80 5x + 12y 4 and y 0 x ≥ 4 and y 0 @ybbib @kalebj @brainlesslonelygirl

Question

Jude is placing boxes on a shelf that holds no more than 80 lb. He has x small boxes that weigh 5 lb each and y large boxes that weigh 12 lb each. Jude needs at least 4 small boxes on the shelf.

Which inequalities model the situation?

Choose exactly two answers that are correct.

Question 13 options:
	
5x + 12y ≤ 80

	
5x + 12y < 80

	
x > 4 and y > 0

	
x ≥ 4 and y > 0

@ybbib @kalebj @brainlesslonelygirl

brainlesslonelygirl · Answer

alright try to work with me here, ok? if there are x boxes that weigh 5 each meaning 1 box weighs 5lb how much would x boxes weigh?

brainlesslonelygirl · Answer

you can try these type of questions with this approach|dw:1476723213725:dw|
you can then cross multiply and get to your answer

tswiftcandle · Answer

Im sorry lol I'm a little confused

brainlesslonelygirl · Answer

alright. let's see.
1 box weighs 5lb

tswiftcandle · Answer

Okay

brainlesslonelygirl · Answer

can you take a guess how much would x boxes would weigh?

brainlesslonelygirl · Answer

lets imagine an imaginary value for x lets say its 2 
so 1 box = 5 lb
    2 boxes = ?

brainlesslonelygirl · Answer

cross multiply and solve for '?'

tswiftcandle · Answer

=10

tswiftcandle · Answer

I'm sorry i'm being so difficult :3

brainlesslonelygirl · Answer

good. now we dont know the value of x so 
1 box = 5 lb
x boxes= ?