1. Bob’s age is twice that of his sister. When you add Bob's age to his sister's age, you get 24. How old is Bob and his sister?

Question

3 years ago

13

1. Bob’s age is twice that of his sister. When you add Bob's age to his sister's age, you get 24. How old is Bob and his sister?

(a) Write an equation that represents the situation. Explain any variable used. (b) Solve the equation from Part (a). Show your work. State your solution as a complete sentence

Mathematics

2 answers:

zmey [24] · Answer 1 · 2022-03-07T15:08:30+03:00

zmey [24]3 years ago

7 0

Answer:

8 and 16

Step-by-step explanation:

16 + 8 = 24

yawa3891 [41] · Answer 2 · 2022-03-07T17:25:30+03:00

yawa3891 [41]3 years ago

3 0

Answer:

a: equation is x +2x = 24 here x is the variable used for age of Bob's sister thrn Bob's age is represented by 2x.

b: x + 2x= 24

3x= 24

x = 24/3

x= 8

So Bob's sister is 8 years old and Bob is 2x = 2× 8 = 16 years old.