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Fofino [41]
4 years ago
10

Identify the percent of change as an increase or a decrease

Mathematics
1 answer:
bezimeni [28]4 years ago
6 0

Answer:

The percent of decrease is 56.7%

Step-by-step explanation:

There is a change from 120 meals to 52 meals.

This is a decrease.

The percent of decrease is given by:

\frac{decrement}{original \: value}  \times 100\%

We substitute the values to get:

\frac{52 - 120}{120}  \times 100\%

We subtract the numerator to get:

\frac{ - 68}{120}  \times 100\%

=  - 0.566667 \times 100\%

This simplifies to:

- 56.67\%

To the nearest tenth, the percent of decrease is :

56.7\%

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Given that 2\frac 1 2 \div \frac 1 8 =20

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Now, 2\frac 1 2 \div \frac 5 8 = \frac 5 2 \div \frac 5 8=\frac 5 2 \times \frac 8 5

This can be written as

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=20 \times \frac 1 5 [ by using equation (i)]

=4

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