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topjm [15]
3 years ago
6

An ounce is equal to about 28 g. If 1 g of soil contains 2.5 billion bacteria, how many bacteria are in 1 oz of soil?

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
5 0

Answer:

About 700 billion bacteria

Step-by-step explanation:

Given

1oz \approx 28g

1g = 25\ billion\ bacteria

Required

Number of bacteria in 1 oz

1g = 25\ billion\ bacteria

Multiply both sides by 28

28 * 1g = 25\ billion\ bacteria * 28

28g = 700\ billion\ bacteria

Recall that

1oz \approx 28g

This means:

1oz \approx 700\ billion\ bacteria

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Please help! Any help is appreciated!
Kitty [74]
Just add the lowest and the highest when u get that answer try multiplying that number that you added by 5,000
5 0
3 years ago
Did I do this right too?
Tcecarenko [31]
For the second example, x should be 25, not 80.
7 0
4 years ago
a car travelling a constant speed of 60km in 18 minutes .how far will the car travel in 1 hour 12 minutes?​
Alexandra [31]

Answer:

240 km.

Step-by-step explanation:

The car travels 200km per hour. so multiply it by 1.2 and you get 240km.

7 0
3 years ago
A book is marked down by 28 percent from an original price of $19.50. What is the new price?
kotykmax [81]
First find 28% of $19.50:

($19.50) / (100) x (28) = $5.46

Now minus the 285 from the original price:

($19.50) - ($5.46) = $14.04

The answer is $14.04
Hope it helped :)
9 0
3 years ago
Read 2 more answers
12 gallons of gas cost $30. How much will it cost to get an additional 4 gallons of gas? ​
Goshia [24]

Answer:

the answer is 40

Step-by-step explanation:

3 0
3 years ago
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