Does it say how many of the marbles in the bag are red? Normally you will want to divide the amount of red marbles to the amount total marbles and you will get a percent. It's also note worthy that it states the marble going back into the bag. It would change if it was left out still.

6 0

3 years ago

Brand A has packed 24 pencils for 7.49. Brand B pack 28 pencils for 9.97. Find the unit price foe each brand. Then state which b

user100 [1]

The unit price of Brand A pencil is 0.312 and unit price of Brand B pencil is 0.356. Brand A pencil is better to buy based on unit price

<u>Solution:</u>

Given that

Brand A has packed 24 pencils for 7.49

Brand B has packed 28 pencils for 9.97

Need to find the unit price of pencil for each brand.

For Brand A, price of 24 pencils = 7.49

So price of 1 pencil of brand A $=\frac{7.49}{24}=0.312$

For Brand B, price of 28 pencils = 9.97

So price of 1 pencil of brand B $=\frac{9.97}{28}=0.356$

As price if 1 pencil of brand A that is 0.312 is cheaper than 1 pencil of brand B that is 0.356

Hence good deal is to buy Brand A pencil

3 0

3 years ago