khi2shiesty khi2shiesty

04-05-2022
Mathematics

contestada

Sally is older than Jenny. The sum of their ages is 45 and the difference is 9. Find the ages of Sally
and Jenny

Respuesta :

MeggyMoo22 MeggyMoo22

04-05-2022

Answer:

Sally is 27

Jenny is 18

Step-by-step explanation:

using algebra:

x+(x-9)= 45

x+x-9

2x-9=45

2x-9+9=45+9

2x=54

54÷2=27

Sally = 27

27-9 = 18

Jenny = 18

This should be it!

hope this helps :)

Answer Link

Otras preguntas

Why should you try out a camera bag before taking it on vacation

Water provides the ____ needed for the first part of photosynthesis A) oxygen B)electrons C)carbon dioxide D) glucose

Teh slope between two points is calculated by finding the change in y-values and dividing by the change in x-values. for example, the slope between the points (

Write the fraction as a percent if necessary round to the nearest tenth of a percent 9/15

What does homeost mean in life science?

Diffraction patterns are due to: interference refraction dispersion scattering

what is less than 3/4 and larger than 1/4

Which statement explains why most emigrants from England came to America in the 1600s?

(1, −3)(i) find polar coordinates (r, θ) of the point, where r > 0 and 0 ≤ θ < 2π.(r, θ) = incorrect: your answer is incorrect. (ii) find polar coordinate

Name three of the major ocean basins on earth