ygolaid59 ygolaid59
  • 15-02-2021
  • Mathematics
contestada

Jonny cut a plank of wood so that it is 50% shorter.

It is now 42cm long.

How long was the plank of wood before Jonny cut it?

Respuesta :

10n31y
10n31y 10n31y
  • 15-02-2021

[tex]42 \: cm \times 2 = 84 \: cm[/tex]

The plank of wood was 84 cm bejore Jonny cut it.

//

Proof:

[tex]84 \times 0.50 = 42 \: cm[/tex]

Answer Link

Otras preguntas

How old was elie wiesel when he arrived in birkenau.
How is an off-the-record source different from an anonymous source? Why of a circumstance where a source would make that choice. Why would someone choose to spe
i need answer please​
How has florida contributed to america’s space race?.
what is that abbreviated electron configuration for cobalt?
GIVING BRAINLIEST!!!!!! Write an equation in slope-intercept form to represent the relationship in the table below.
the way of the element are arranged, is it also necessary in daily life?nonsense = reporti need this, it's for my easay...​
Read the excerpt from "Healthy Eating." "I was taking all these pills like an old woman," said Naar, a neonatology nurse at Baptist Hospital. "My blood pressure
help me. I need help
Give an example of how a nurse exhibits fidelity in client care.