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OleMash [197]
3 years ago
14

tomas bought a bottle of shampoo that held 10.5 fluid ounces. he uses 1/16 of the shampoo every time he washes his hair. how man

y ounces of the shampoo are left after he washes his hair 6 times please help because I'm confused with this question and explain clearly too please
Mathematics
2 answers:
Airida [17]3 years ago
8 0


1) 10.5 = 10 1/2 = 21/2 ounces in bottle

2) 21/2 * 1/16 = 21/32 ounces one use

3) 21/32 * 6 = 63/16 ounces six use

4) 21/2 - 63/16 = 168/16 - 63/16 = 105/16 = 6 9/16 ounces left

Andrew [12]3 years ago
3 0
<h2>Answer</h2>

6\frac{9}{16} fluid ounces

<h2>Explanation</h2>

First, we are going to find the total amount of shampoo he used. We know from a our problem that he uses \frac{1}{16} of the shampoo every time he washes his hair and he washed his hair 6 times, so we just need to multiply the number of times (6) by the amount used every time (\frac{1}{16}) to find how much shampoo he used:

6*\frac{1}{16} =\frac{6}{16} =\frac{3}{8}

We know that he used \frac{3}{8} of the bottle of shampoo. Since the bottle of shampoo held 10.5 fluid ounces, we are going to multiply 10.5 fluid ounces by \frac{3}{8} to find how much fluid ounces he used:

10.5f.oz*\frac{3}{8} =3.9375f.oz

Now, to find the ounces of shampoo left, we just need to subtract the ounces used (3.9375 fluid ounces) by the initial fluid ounces in the bottle of shampoo (10.5 fluid ounces):

10.5f.oz-3.9375f.oz=6.5625f.oz or expressed as a mixed fraction: 6\frac{9}{16} f.oz

We can conclude that there are 6\frac{9}{16} fluid ounces of shampoo left after Tomas washed his hair 6 times.

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