shakyaevangellina613 shakyaevangellina613

21-01-2020
Mathematics

contestada

Two number are in the ratio of 5:7.
When 3 is added to each number. The new ratio becomes 3:4. Find the numbers.

Respuesta :

devishri1977 devishri1977

21-01-2020

Answer:

[tex]\frac{5x+3}{7x+3}=\frac{3}{4}\\\\ 4*(5x+3)=3*(7x+3)\\\\20x+12=21x+9\\\\20x-21x=9-12\\\\-x=-3\\\\x=3\\\\5x=5*3=15\\\\7x=7*3=21\\\\[/tex]

Step-by-step explanation:

Answer Link

Otras preguntas

What is the value of d + e + f when d = 20, e = –4 and f = –2? A. –26 B. –22 C. 14 D. 18

Which is a barrier birth control method? birth control implant. female condom. withdrawal.

What number must be added to 14,056 to result in the sum of 38,773

80,801 to the nearest ten thousand

Fred's frog jumped 7 times as far as Al's frog. The two fogs jumped a total of 56 inches. How far did Fred's frog jump?

Why did large states favor the Virginia plan

.determine if the ratios are proportional 10/12,20/32

Caleb is planning a visit to an amusement park. He wants to figure out how many roller coasters he could ride and how many shows he can watch in 345 minutes. Ea

Solve the inequality: 2[(2y-1)+y] less than or equal to 5(y+3)

4 boys share 3 granola bars equally. how much does each boy get?