The sum of two numbers is 20. Their difference is 14. Find the numbers.

Answers

Answer 1

Answer: X-Y = 14, X+Y = 20, then x=14+Y. Replace x so (14+Y) + Y =20 so 2Y = 6, Y=3 and x=17

Answer 2

Answer: 3 and 17
17-3=14

hope that helps

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For a field trip, 4 students rode in cars and the rest filled nine buses. How many students went in each bus if 472 students were on the trip

Answers

Answer:

Step-by-step explanation:

only 4 students went in the cars. So 472-4=468.

You have 9 buses.

So 468÷9=52

Describe how you regroup when you find the sum of 64 + 43?

Answers

To regroup, you simply break up the bigger numbers into smaller numbers that are more easily added together. We often regroup into numbers that end with 0 because they're easier to add. For example, you can break up 64 into 60 + 4 and 43 into 40 + 3. This will make addition easier, because you can first add together 60 and 40, which will equal 100. Then, you can add the smaller digits: 100 + 4 + 3 = 107.

Final answer:

Regrouping in addition, as in 64 + 43, involves adding numbers column by column from right to left. If the addition in a column results in a value of 10 or more, a 'carry over' or regrouping is done to the next column. The final resultant sum is 107.

Explanation:

To regroup when you find the sum of 64 + 43, you need to add the numbers column by column, moving from right (units) to left (tens, hundreds, etc.). In this case, add the right column (4 from 64 and 3 from 43) to get 7. Next, add the left column (6 from 64 and 4 from 43). The sum is 10. Since 10 is a two-digit number, the number in tens place (1) is carried over or regrouped to the tens column. To get the final answer, add the numbers in the tens column (including the carryover). This results in 107. In general, regrouping is a technique used in addition and subtraction to simplify calculations and solve problems more easily.

Learn more about Regrouping in Addition here:

brainly.com/question/2139067

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What are two ways to get from 5 to 10?

Answers

You can add 5 to 5 to get 10. (5 + 5 = 10)

or:

You can multiply 5 by 2 to get 10. (5 × 2 = 10).

you can add 5 and 5 and you can also do 5 times 2

Sophie has 5 pieces of string that are 4 yards each. She uses 3 pieces that are each 3 feet long. How much string does Sophie have left?2 feet

2 yards

31 feet

51 feet

Answers

Alright, lets get started.

Sophie has 5 pieces of string that are 4 yards each.

1 yards = 3 feet,

So, 4 yards = $4 * 3 =12$ feet

Total number of string she has = 5 piece

So, total length she has = $5*12 = 60$ feet

It means she had 60 feet string in starting.

Now, She uses 3 pieces that are each 3 feet long, means

She uses = $3*3 = 9$ feet

So, remaining string length will be = $60 - 9 = 51$ feet

Means 51 feet string does Sophie have. : Answer

Hope it will help :)

Sophie has 2 yards left.

Light travels 300,000 km/s. The planet Mars is about 228,000,000 km from the sun. How would you find out how many minutes it takes light from the Sun to reach Mars?