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

This mean anything to anyone? Found it on a wall is it a sort of symbol? Or a sort of insignia?

WILL GIVE BRAINLIEST!!!!! What did the peace treaty that ended World War I say about Germany? A. Germany should take large parts of France and get reparatio

tank walls must be at least 1 Foot tall so the turtle can't climb out. there must be 400 square inches of floor space for the turtle to walk around on the volum

How many kingdoms are represented by the organisms show below.

Voters favor one-party control of the presidency and Congress when

How are the properties of water affected by hydrgen bonding?

During the sixteenth and seventeenth centuries in england, the curriculum at schools like trinity college at cambridge (the college of the holy and undivided tr

For each equation , write all possible mole ratios . A. 2HgO(s)>2Hg(l)+O2(g) B. 4NH3(g)+6NO(g)>5N2(g)+6H2O(l)

what's the purpose of informative/explanatory writing?

Identify the polynomial divisor, dividend, and quotient represented by the synthetic division. mc001-1.jpg Divisor: –3 3 x – 3 x + 3 Dividend: 2x3 + 11x2