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choli [55]
3 years ago
13

Question 7

Mathematics
1 answer:
ANTONII [103]3 years ago
7 0

Answer:

(d) and (e) are true

Step-by-step explanation:

Given

Food = 23\ oz

See attachment for proper presentation of question

Required

Select all true statements

For any option to be true, it must satisfy the following condition.

Days * Food = 23

Option (a):

Days = 6

Food = 4\frac{1}{6} per day

So, we have:

Days * Food = 6 * 4\frac{1}{6}

Days * Food = 6 * \frac{25}{6}

Days * Food = 25

This is not true because: 25 \ne 23

Option (b):

Days = 10

Food = 2\frac{2}{23} per day

So, we have:

Days * Food = 10 * 2\frac{2}{23}

Days * Food = 10 * \frac{48}{23}

Days * Food = \frac{480}{23}

Days * Food = 21 --- approximated

This is not true because: 21 \ne 23

Option (c):

Days = 8

Food = 3\frac{1}{8} per day

So, we have:

Days * Food = 8 * 3\frac{1}{8}

Days * Food = 8 * \frac{25}{8}

Days * Food = 25 --- approximated

This is not true because: 25 \ne 23

Option (d):

Days = 11

Food = 2\frac{1}{11} per day

So, we have:

Days * Food = 11 * 2\frac{1}{11}

Days * Food = 11 * \frac{23}{11}

Days * Food = 23 --- approximated

This is true because: 23 = 23

Option (e):

Days = 7

Food = 3\frac{2}{7} per day

So, we have:

Days * Food = 7 * 3\frac{2}{7}

Days * Food = 7 * \frac{23}{7}

Days * Food = 23 --- approximated

This is true because: 23 = 23

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