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egoroff_w [7]
3 years ago
11

What’s the percent of change of 100 acres to 140 acres

Mathematics
1 answer:
natta225 [31]3 years ago
4 0
It is a 40% increase.
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Amanda is going to make up some concrete by
lianna [129]

Answer:

Yes, Amanda has enough materials to make the concrete mix.

Step-by-step explanation:

Total units = 1+3+5

                 = 9

9 units = 630kg

1 unit = 630kg ÷ 9

        = 70kg (Less than 80kg of cement, more than enough)

3 units = 3 × 70kg

           = 210kg (Less than 215kg of sand, more than enough sand)

5 units = 5 × 70kg

           = 350kg (Less than 370kg of gravel, more than enough gravel)

4 0
2 years ago
Miles bought a car that cost $23,556.to the nearest ten thousand,how much did the car cost
laila [671]
$20,000
In word form. he has twenty three thousand five hundred and fifty six, so we look to the digit next to the thousands, 3, and since its below 5, we keep 2 the same.
3 0
3 years ago
What is the answer to this 9(-2)=
cestrela7 [59]
The answer is -18

9 · -2 = -<span>18
</span>
6 0
3 years ago
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Find the ratio. Sam ran 3520 feet in 20 minutes.
Rufina [12.5K]
3520:20 should be correct
8 0
3 years ago
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What is the value of 3 in 230,001
Katyanochek1 [597]
30,000
the way you can solve this is by removing all numbers in front of the selected number(in this case, 2 should be removed) then change all numbers behind to 0.
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