Jack can swim 3 laps in 7 minutes.At this rate, how many laps can Jack swim in 28 minutes?

Answers

Answer 1

Answer: Jack can swim 12 laps in 28 minutes. 28 minutes is 4 times greater than the time it took him to swim 3 laps. With 28 minutes he should therefore be able to swim 4 times as many laps. 3 times 4 equals 12

Answer 2

Answer: he can swim 3 laps in 7 minutes.
28÷7=4
4*3=12
we can conclude that in 28 minutes he can swim 12 laps.

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2.29 plus 4.75 plus 1.29
Monica walked every day for exercise at a rate of 1 kilometer every 20 minutes. At this rate, how many meters can Monica walk in 1 hour? EXPLAIN how you found your answer
The number 18 is which percent of 15

Jason has a savingaccount at the bank.
Every week he takes
half of his $4.00
allowance to the bank.
How much will he save
in ten weeks?

Answers

Answer:

$20

Step-by-step explanation:

In ten weeks, he will have saved $20

Answer:

He would’ve saved $20

Step-by-step explanation: half of $4 is $2 so multiply $2 by 10 to get $20!

What is the percent of change?
initial value:30
final value:180

Answers

600% 30 is 1/6 of 180

600% I looked it up and multiplied 30 by 600 and it equals 180.

A water bottle contains 2,000 milliliters of liquid. A water jug can hold 6 liters of liquid.How many water bottles must be emptied into the water jug in order to fill it?

Answers

3 water bottles.

1 liter is the same as 1,000 milliliters. So, the water jug can hold 6,000 milliliters of liquid.

Simple divide 6,000/2,000, which is the same as 6/2, to get 3. So, the water jug needs 3 water bottles of liquid to fill it.

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How to factor 9x^2+5x-12

Answers

Hi Stacey

9x^2+5x-12

Answer : Doesn't factor

I hope that's help and please if you have questions you can ask me !

What is 8.45 to the nearest tenth

Answers

Look at the tenth digit, which is 4. now look at the digit to the right on the tenth digit that's 5. so the rule is if the digit to the right of the place ur rounding to is 4 or less, u round down, if it's 5 or up, round up.
so in this case since there's a 5 u round up.
8.5 is the answer.

8.45 rounded to the nearest tenth is:

8.6 because 5 is equal to 5

Hope I Helped You!!! :-)

Have A Good Day!!!

Divide 33 photos into two groups so the ratio is 4 to 7, please help!!!!

Answers

The ratio 4 to 7 means that for every 4 photos in one group, there are 7 in the other group. So to divide the 33 photos into two groups with the ration 4 to 7 we can make a chart where we would have group one on one side and group two on the other. On one side we would increase by 4 each time and on the other side you would increase by 7 each time. Keep going until you find a row in where the numbers add to 33. So:

Group 1 / Group 2
4 7
8 14
12 21

Here we can see that 12 + 21 = 33 So in one group we will have 12 photos and the other group we will have 21 photos

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