abigailmcarlson abigailmcarlson

22-12-2021
Mathematics

contestada

Devaughn is 15 years younger than sydney. the sun of their ages is 63. what is sydney’s age?

Respuesta :

jen4755 jen4755

22-12-2021

Answer:

39

Step-by-step explanation:

d = s - 15

d + s = 63

Replace d with s - 15

s - 15 + s = 63

2s -15 = 63

2s = 78

s = 39

Answer Link

Otras preguntas

how do you add fractions wiyh improper fractions

is basil a herb or a shrub?

how do you add fractions wiyh improper fractions

what is the difference between aquaculture and pisciculture?

write an equation of the line that is: a) parallel to the line y=4x+1, and that passes through point (2,3) b) parallel to the line 2y-6x=9, and that passes t

write an equation of the line that is: a) parallel to the line y=4x+1, and that passes through point (2,3) b) parallel to the line 2y-6x=9, and that passes t

The Universal Law of Gravity states that the force of gravity acts between all objects. Nonetheless, you never feel that the fridge in your kitchen pulls you to

Explain why hydrogen and oxygen are considered elements whereas water is not considered an element.

write an equation of the line that is: a) parallel to the line y=4x+1, and that passes through point (2,3) b) parallel to the line 2y-6x=9, and that passes t

what is the area of a figure with vertices(1,1), (8,1) , and (5,5)?