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

Many cars now use voice control as a form of security before a car cab be started and it is also used to give some key commands, such as start navigation system

According to CA law, who are forbidden from using a cellular phone including hands-free devices while driving? 1) Only teenagers 2) Only adults 3) Both teenager

Who is the chief minister of Assam?

The Code of Federal Regulations that applies to Electronic Records; Electronic Signatures is.. a) 21 CFR 11 b) 21 CFR 50 c) 21 CFR 56 d) 21 CFR 312

50 POINTSSSSProve It[tex] \frac{sin \frac{a}{2} + \sin(a) }{1 + \cos( \frac{a}{2} ) + \cos(a) } [/tex][tex] = \tan( \frac{a}{2} ) [/tex]

Can I have sex?????????????????????

2x-6=6, i need to get the explicit answer.

The majority of old people (age 65 and older) are senile (have defective memory, are disoriented, or demented). a. trueb. false

The most common cause of morbidity and mortality with a SAH is _____. 1) Hypertension 2) Aneurysm rupture 3) Trauma 4) Infection

Isolate x in 3x − 9y = 15.