Wei has $150.00 to make a garland using 60-cent balloons. He wants to purchase 100 blue balloons and some number of white balloons. He learns that the white balloons are on sale for half price. He writes and solves an equation to find the number of white balloons he can purchase.
Which models can be used to solve the problem?

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19coopern 19coopern · Answer 1 · 2018-09-12T16:29:29+02:00

The answer is 0.60b + 0.30w = 150; 60 + 0.30w = 150

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wagonbelleville wagonbelleville · Answer 2 · 2019-03-08T08:00:11+01:00

Answer:

Wei can purchase 300 balloons.

The model used for the problem is [tex]60+0.3x=150[/tex].

Step-by-step explanation:

Let the number of white balloons = x

The cost of blue balloons and white balloons are 60 cent = $0.6 and 30 cents = $0.3 respectively.

Wei purchased 100 blue balloons and have $150 to buy both balloons.

So, we get the relation,

[tex]0.6\times 100+0.3x=150[/tex]

i.e. [tex]60+0.3x=150[/tex]

i.e. [tex]0.3x=90[/tex]

i.e. [tex]x=300[/tex]

Thus, Wei can purchase 300 balloons.

So, the model used for the problem is [tex]60+0.3x=150[/tex].