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Butoxors [25]
3 years ago
14

The current on the Mississippi River is a constant 4 miles per hour. A paddleboat travels 48 miles upstream in the same amount o

f time that it takes to travel 72 miles downstream. Find the speed of the boat in still water.
Mathematics
2 answers:
Dmitriy789 [7]3 years ago
8 0
Upstream-44
Downstream-68
I think
Yanka [14]3 years ago
6 0
Divide each mile amount by the speed of the current (48/4=12 and 72/4=18) add the two numbers (12+18=30)  The speed of the boat is 30mph
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an airport offers two shuttles that run on different schedules.If both shuttles leave the airport at 4:00 p.m.,at what time will
otez555 [7]

What are both of their schedules? If they are completely different, then the next time they will leave together is 4:00 pm the next day


3 0
3 years ago
john bought a full basket of mangoes when he got home he realised 12 out of the 20 mangoes he bought are bad what is the probabi
lara31 [8.8K]
12/20 mangoes are bad so 8/20 mangoes are good and to convert to a percentage we make the denominator 100.
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6 0
3 years ago
14 less than 8 times a number is 3 more than 4 times the number what is the number?
Anestetic [448]

Answer:

12

Step-by-step explanation:

8.x-13=3+4.x

8.x-13=7.x

x-13+8=7.x

x-5=7.x

x-x=7+5

x-x=12

x=12

3 0
3 years ago
The record holder in eating chocolate ate 31.5 ounces of Chicago Chocolate Hearts in 7 minutes. How much chocolate did he eat pe
sasho [114]

Answer:

Step-by-step explanation:

This is a unit rate problem.  If we want to find out how much chocolate was eaten in 1 minute, we divide 31.5 by 7.  This gives us the number of ounces of chocolate eaten in 1 minute: 4.5 ounces per minute.

7 0
3 years ago
Read 2 more answers
Solve each inequality. Then check each number that is a solution
mr_godi [17]

Answer:

3, 6, 4, 5

Step-by-step explanation:

First of all we have to multiply 2 by 2x and -9 and we obtain

4x -18 ≤ 6

now we have to move -18 on the right side of the minor or equal and change its sign

4x ≤ 6 + 18

now we have to added up 6 and 18

4x ≤ 24

At least we have to divide the the two members by 4

x ≤ 6

We have to find the numbers ≤ 6

so the answer is : 3, 6, 4, 5

3 0
3 years ago
Read 2 more answers
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