cloieoxox
cloieoxox cloieoxox
  • 01-02-2021
  • Mathematics
contestada

Three-quarters of a number is 15.
Work out four-fifths of the number.

Respuesta :

jimrgrant1 jimrgrant1
  • 01-02-2021

Answer:

16

Step-by-step explanation:

let the number be x , then

[tex]\frac{3}{4}[/tex] x = 15 ( multiply both sides by 4 to clear the fraction )

3x = 60 ( divide both sides by 3 )

x = 20 , then

[tex]\frac{4}{5}[/tex] × 20 = 4 × 4 = 16

Answer Link
Miniclipmaster2 Miniclipmaster2
  • 01-02-2021

Answer:

16

Step-by-step explanation:

let the number be x , then

\frac{3}{4} x = 15 ( multiply both sides by 4 to clear the fraction )

3x = 60 ( divide both sides by 3 )

x = 20 , then

\frac{4}{5} × 20 = 4 × 4 = 16

Answer Link

Otras preguntas

How many bits would you need if you wanted to have the ability to count up to 1000?
What is the question that Maria and Elena want to answer by performing an experiment
¿cuál grupo de hispanos salió de su país por las guerras civiles? los ________ salieron.
1.3 repeating as a fraction
Which of these statements best describes the Greek city-states
Which ordered pair minimizes the objective function C = 60x + 85y?. (0, 160). (55, 70). (80, 50). (170, 0)
Insert parentheses to make statement true 17-8-5=14
what do you think of Jonas's community. from the book The Giver
Explain how and why governments may want to regulate the price setting of a natural monopoly.
What effect might strict limitations on design tools have on the design process?