hayleydouglas0 hayleydouglas0

17-11-2017
Mathematics

contestada

Keith is thirteen years older than nephew William. In four years Keith will be twice as old as William. How old is William now?

Respuesta :

redgamer821 redgamer821

17-11-2017

William is 24 years old. (I think)

Answer Link

ralucaflorea ralucaflorea

17-11-2017

Let's call Keith x and William y
x=13+y

4+x=2y

substitute x with 13+y:
4+(13+y)=2y
17+y=2y
17=y

William is 17 years old

Answer Link

Otras preguntas

which option of ms-word is used o represent data in an organised manner?

What was the goal of the Indian National Congress? a. Immediate independence for India and Pakistan b. a share in the governing process of India c. a revolutio

how do i solve 3x² - 8x + 2 = 0 using quadratic formula?

arrange in order from smallest to largest.6.09, 6.9, 6.099, 6.999

the product of 8 and a number x is equal to 32. write an algebraic expression, an equation, or an inequality

arrange in order from smallest to largest.6.09, 6.9, 6.099, 6.999

In a parallel circuit with 3 resistors, the output voltage at the power supply is recorded to be 5 A. The current flowing through the first resistor is 1 A an

The length of a rectangle is 3 inches more than its width, and its perimeter is 22 inches. Find the width of the rectangle

In some of these sentences one word has been spelt wrongly. Underline the word and write its correct spelling in the space provided.1. The dairy near our house

How do spermatogenesis and oogenesis differ in terms of the number of gametes they produce?