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

All of the following would result in a change in population size except A. the death rate exceeding the birth rate. B. emigration of individuals out of the pop
Why were Julius and Ethel Rosenberg considered dangerous during the Cold War?
Which of the following describes a possible effect that an increase in carbon dioxide in the atmosphere would have on an ecosystem? A. Animal productivity w
Clothing often showed to which segment of society a person belonged. True or False
Suggest an environmental reason why the percentage efficiency of the motor should be high as possible?
what is the product of 0.02 and 0.7
How do you convert feet to inches
19 is 25% of what, I don't understand how to do percentages and im lost and stuck please help
7 over 8 as a decimal
what is 67/100 as a decimal