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

Most children who worked in factories were between the ages of __________. A)5/10 B)10/15 C)17/18 D)15/16

When using an editing checklist to review your paper, you should

What type of circuit cannot conduct an electric current? A. A working circuit B. A short circuit C. An open circuit D. A closed circuit

What was the Renaissance? A. the eighteenth-century era of renewed interest in classical Greece and Rome B. the rebirth of classical learning in the Middle East

The Calvin cycle is another name for the

When using an editing checklist to review your paper, you should

The Senate must confirm presidential appointees to office. This process allows the Senate to __________.

How did the federal budget crisis affect the presidential election in 1996? People were disappointed that Clinton shut down the government. People had more nega

Which of the following is an example of an X-linked recessive disorder? A. Huntington Disease B. Methemoglobinemia C. Color Blindness D. Sickle Cell Disease

Which group of people in the social structure gathered berries? Select one: a. men b. women c. children d. men and children