Light-years

Planet X is 10 light-years away from Earth. Planet Y is 8 1/2 light-years away from Earth. How much farther away is Planet X?

Correct answer:

a =  1.5 ly

Step-by-step explanation:




Did you find an error or inaccuracy? Feel free to write us. Thank you!



avatar




Tips to related online calculators
Do you want to convert length units?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions:

  • The length 6
    meter The length of 12 pipes is 10 1/2 meters. (1) find the length of one pipe (2) also find the length of 7 pipes
  • Earth and Sun
    sun Earth is 150 million km away from the Sun. 300,000 km of sunlight travels in 1 second. How long will the light come from the Sun to the Earth?
  • Oceans
    oceans The Earth's surface is approximately 510,000,000 km2 and is 7/10 covered by oceans. Of which 1/2 covers the Pacific Ocean, the Atlantic Ocean 1/4, the Indian Ocean 1/5 and the Arctic Ocean 1/20. What parts of the Earth's surface cover each ocean?
  • Planet Earth
    earth What is the weight of the planet Earth, if its average density is ρ = 2.5 g/cm ^ 3?
  • Two dogs
    calendar Izzy's dog is 10 1/2 years old. Paige's dog is 18 months old. How many years older is Izzy's dog?
  • Penny coins
    mince One 2p coin is 1/8 inch thick. A pile of 2p is 1 1/2 inch high. How many coin are there in the pile
  • The product 2
    rectangle The product of two functions is 10. If one of them is 2 1/3, find the other one.
  • What is 9
    mixed_fractions What is the value of x in the proportion 2 and one-fourth over x = 1 and one-half over 3 and three-fifths? 2 and two-fifths 5 and two-fifths 8 and 1 over 10 12 and 3 over 20
  • Simplify expression with mixed
    mixed_fractions When (7¹/3 + 2¾)÷(2 + 2¼ × 1¹/3) is simplified the result is?
  • The chef 2
    chocholate The chef in the restaurant used 19/20  cup of chocolate chips and 1 1/10 cups of cocoa powder for the cake. How much more cocoa powder did the chef use than the chocolate chips?
  • Paper cutting
    rectangle Susanna is cutting construction paper into rectangles for a project. She needs to cut one rectangle that is 10 inches × 14 1/2 inches. She needs to cut another rectangle that is 10 1/3 inches by 10 1/2 inches. How many total square inches of construction
  • Two pizzas
    pizza Jacobs mom bought two whole pizzas. He ate 2/10 of the pizza and his dad ate 1 1/5. How much is left.
  • Seven up
    juice Peter barman is making 8 gallons of Tropical trip punch. He has already poured in 1 3/4 gal of pineapple juice and 2 1/2 gal of orange juice. The only other ingredient us 7-Up. How much does 7-Up does Peter need?
  • Fractions and mixed numerals
    mixed_fractions (a) Convert the following mixed numbers to improper fractions. i. 3 5/8 ii. 7 7/6 (b) Convert the following improper fraction to mixed number. i. 13/4 ii. 78/5 (c) Simplify these fractions to their lowest terms. i. 36/42 ii. 27/45 2. evaluate following ex
  • Volunteers
    smetiari Volunteers helped clean up 8.2 kg of trash in one neighborhood and 11 1/2 kg in another. They sent 2 3/5 kg to be recycled and threw the rest away. How many kilograms of trash did they throw away?
  • Pizzas
    pizza Billy ate 1 1/4 pizzas and John ate 1 2/3 pizzas. How much more pizza did John eat than Billy?
  • Gift box
    cuboid_3colors A gift box has dimensions of: 8 1/2 inches, 5 1/2 inches, and 2 1/2 inches, respectively. How many cubes with side lengths of 1/2 inches would be needed to fill the gift box?