A swimmer finished a total of 6,400 meters in races before his last race. He competed in twelve 400-meter races. The rest of his races were 200- meter races. How many of his races were 200-meter races?

Question

29-10-2022
Mathematics

contestada

A swimmer finished a total of 6,400 meters in races before his last race. He competed in twelve 400-meter races. The rest of his races were 200- meter races. How many of his races were 200-meter races?

Respuesta :

Otras preguntas

Arrange the jumbled sentence to form an organized paragraph then identify what pattern of paragraph development is used 1.if the oven is too hot the crust will

Subtract the sum of -6 and -2 from -18. *

What are the main features of tropical climate

-------------------------

NEED HELP HERE PLEASE!! π∆πGive the value of the six trigonometric ratios in the figure.

(Reply with the answer or get reported) Ty to whoever answers me :]

Hailey has a rectangular garden in her back yard. The garden has a width of 3 1/4 feet and a length of 7 1/2 ft. Hailey wants to expand the garden to have an ar

Enzymes have shapes that allow them to bind to a substrate. Some types of RNA also form specific three-dimensional shapes. Why do you think RNA, but not DNA, ca

Write a literary analysis essay of 500-750 words about a literary element in "The Alchemist". Steps to take: Thesis, Introduction, Find evidence, Conclusion. (

AllyssaJ728338 AllyssaJ728338 · Answer 1 · 2022-10-29T10:55:58+02:00

AllyssaJ728338 AllyssaJ728338

29-10-2022

The total distance swimmer finished is 6400 meters. The distance travlled in 400 meter races and 200 meter races is equal to total diatance. So equation for x number of 200 meter races is,

[tex]\begin{gathered} 12\cdot400+x\cdot200=6400 \\ 200x=6400-4800 \\ x=\frac{1600}{200} \\ =8 \end{gathered}[/tex]

So there are 8 number of 200 meter races.

Answer Link