Write the ratio three to seven in two other ways

Mathematics

2 answers:

jarptica [38.1K]4 years ago

4 0

These are the 3 ways to write 3:7

3:7
3/7
3 to 7

Nataly [62]4 years ago

4 0

You can write it
3/7
3:7
3 to 7

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mrs. li bought some crackers. she gave 30% of the crackers to her neighbor and ate 50% of the remaining crackers. mrs. li had 42

snow_tiger [21]

Answer:
She bought 120 crackers

Explanation:
Assume that the number of crackers she originally bought was x

We know that she gave her neighbor 30% of the crackers.\This means that:
amount left with her = x - 30%x
amount left with her = x - 0.3 x
amount left with her = 0.7x crackers

Now, we know that she ate 50% of that amount.
This means that:
she ate 50%(0.7x) = 0.5(0.7x) = 0.35x crackers
amount left with her = 0.7x - 0.35x = 0.35x crackers

Finally, we know that the number of crackers left with her is 42 crackers.
This means that:
0.35x = 42
x = $\frac{42}{0.35}$
x = 120 crackers

Hope this helps :)

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3 years ago

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STatiana [176]

Answer:

based

Step-by-step explanation:

6 0

3 years ago

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