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 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

A random sample is drawn from a normally distributed population with mean μ = 31 and standard deviation σ = 1.9. Calculate the probabilities that the sample mea
PLEASE PLEASE PLEASE HELP PLEAS :( THE SECOND ONE JEJEJEJDD PLEASEEEEEE
which sentence shows the correct use of homophone
If y=5sin (3x -40)Calculate the frequency and period​
6(a+2b+3c) USE THE DISTRIBUTIVE PROPERTY TO CREATE AN EQUIVALENT EXPRESSION!!!!!!!!
Why can some ions move across membranes but others cannot
Find the mean and standard deviation for each binomial random variable:
The Gulf Stream travels across the AtlanticOcean at theA. Paris MeridianC. EquatorB International DanteleA Prime Meridien​
−30=5(x+1) solve for x pls help
Hi can you help me with these