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Aleksandr-060686 [28]
3 years ago
13

A science teacher collects 19 pints of lake water for a lab she is teaching.The lab requires each student to use 4 fluid ounces

of lake water. If 60 students are participating, how many pints of lake water will the teacher have left over?
Mathematics
1 answer:
ivolga24 [154]3 years ago
4 0

Answer:

4 pints

Step-by-step explanation:

The conversion from pint to ounce is:

1 pint = 16 ounces.

The teacher collected 19 pints, that is, 19*16 = 304 ounces of lake water.

If there are 60 students, and each of them use 4 ounces, the total of lake water used is 60*4 = 240 ounces.

So, the amount of lake water left is 304-240 = 64 ounces, that is, 64/16 = 4 pints.

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Butoxors [25]

Step-by-step explanation:

1/2 represents every fraction, where the denominator (bottom part) is twice the numerator (top part).

like 4/8 or 6/12 or 128/256 or ...

what do we need in the denominator to calculate with 15/16 ?

the same : 16.

and what is half of 16 ? 8.

so, we need the 1/2 based on 16th = 8/16.

so, the dog ate 8/16 (1/2) of the original 15/16.

what was left was

15/16 - 8/16 = 7/16 pound

7 0
2 years ago
on a bookshelf there are 5 paperback books and 3 hardcover books is the ratio of books to hardcover books 5:3 explain
Lana71 [14]

Answer: no

Step-by-step explanation: because overall there’s isn't a total of 5 books, 5 books is how many paperback books you have

6 0
3 years ago
Points X and Z are on a number line, and point Y partitions
abruzzese [7]

Answer:

The coordinate of Z is 13.36.

Step-by-step explanation:

According to the statement, we have the following information:

\frac{XY}{XZ} = \frac{5}{12} (1)

\frac{YZ}{XZ} = \frac{7}{12} (2)

X = 0.4 (3)

Y = 5.8 (4)

From (2), we have the following expression:

YZ = \frac{7}{12}\cdot XZ

Y-Z =\frac{7}{12}\cdot (X-Z)

Y - Z = \frac{7}{12}\cdot X -\frac{7}{12}\cdot Z

Y-\frac{7}{12}\cdot X = Z-\frac{7}{12}\cdot Z

\frac{5}{12}\cdot Z = Y-\frac{7}{12}\cdot X

5\cdot Z = 12\cdot Y-7\cdot X

Z = \frac{12}{5}\cdot Y-\frac{7}{5}\cdot X (5)

If we know that Y = 5.8 and X = 0.4, then the coordinate of Z is:

Z = \frac{12}{5}\cdot (5.8)-\frac{7}{5}\cdot (0.4)

Z = 13.36

The coordinate of Z is 13.36.

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